180 Days of Writing 3 — Unit 17: Grand Canyon

Exercise 1: Choose the correct word.

1. The ___ is a famous natural wonder in the USA.

2. The Grand Canyon is in ___.

3. The ___ flows through the Grand Canyon.

4. A deep valley with steep sides is a ___.

5. Many people ___ on the trails.

6. People can go ___ on the river.

🔑 Đáp án & Giải thích (Exercise 1)

1. Grand Canyon — Grand Canyon là một kỳ quan thiên nhiên nổi tiếng.
2. Arizona — Grand Canyon nằm ở bang Arizona.
3. Colorado River — Sông Colorado chảy qua Grand Canyon.
4. canyon — Canyon là hẻm núi sâu với vách dốc.
5. hike — Hike nghĩa là đi bộ đường dài.
6. rafting — Rafting là chèo bè trên sông.

Exercise 2: Write the correct word.

1. The Grand Canyon is a famous ___ wonder.

2. Many ___ come to see the canyon every year.

3. The rocks are red. We call them ___ rock.

4. People breathe ___ every day.

5. Some tourists take ___ rides above the canyon.

6. The Colorado River is in the ___.

🔑 Đáp án & Giải thích (Exercise 2)

1. natural — Cụm từ đúng là natural wonder.
2. visitors — Visitors nghĩa là du khách.
3. red — Red rock nghĩa là đá màu đỏ.
4. air — Air nghĩa là không khí.
5. helicopter — Helicopter rides là các chuyến bay trực thăng.
6. canyon — Con sông chảy trong hẻm núi.

Exercise 3: Choose the best answer.

1. Which is a fact?

The Grand Canyon is in Arizona. The Grand Canyon is the most beautiful place. The canyon is amazing. Rafting is the best activity.

2. Which is an opinion?

The Grand Canyon is in Arizona. The Colorado River flows through the canyon. The Grand Canyon is the most beautiful place. Many visitors come there.

3. Which is a complete sentence?

Visitors hike in the canyon. In the canyon. The red rock. Because it is beautiful.

4. Which is an incomplete sentence?

The canyon is large. Visitors take helicopter rides. Because it is beautiful. The river is long.

5. Which sentence has a subject and a predicate?

The Colorado River flows fast. In Arizona. The red rock. After the hike.

6. Which is a complete sentence?

Many visitors enjoy rafting. Near the river. The natural wonder. With my family.

🔑 Đáp án & Giải thích (Exercise 3)

1. The Grand Canyon is in Arizona. — Đây là thông tin có thể kiểm chứng.
2. The Grand Canyon is the most beautiful place. — Ý kiến thể hiện cảm nhận cá nhân.
3. Visitors hike in the canyon. — Có chủ ngữ và vị ngữ đầy đủ.
4. Because it is beautiful. — Mệnh đề chưa hoàn chỉnh.
5. The Colorado River flows fast. — Có chủ ngữ và vị ngữ rõ ràng.
6. Many visitors enjoy rafting. — Câu hoàn chỉnh có ý nghĩa đầy đủ.

Exercise 4: Look at the picture and choose the answer.

Exercise Context — A bright sunny day at the Grand Canyon in Arizona. Huge red rock canyon walls stretch across the landscape. The Colorado River flows at the bottom. Several visitors are hiking on a trail. A rafting group is on the river in a raft. A helicopter is flying above the canyon. Blue sky and clean air. Families are taking photos of the natural wonder.

1. Where are the visitors hiking?

2. What river can be seen?

3. What color are the rocks?

4. What is flying above the canyon?

5. What activity is happening on the river?

6. How is the weather?

🔑 Đáp án & Giải thích (Exercise 4)

1. On a trail in the canyon — Du khách đang đi bộ trên đường mòn trong hẻm núi.
2. Colorado River — Con sông trong tranh là Colorado River.
3. Red — Đá trong tranh có màu đỏ.
4. A helicopter — Có trực thăng bay phía trên.
5. Rafting — Mọi người đang chèo bè trên sông.
6. Sunny — Trời nắng sáng rõ.

Exercise 5: Choose the correct adjective form.

1. The Grand Canyon is ___ than a small canyon.

2. The Grand Canyon is one of the ___ natural wonders.

3. This trail is ___ than that trail.

4. The helicopter ride is ___ than walking for some people.

5. The canyon is the ___ place in this area.

6. Today the air is ___ than yesterday.

🔑 Đáp án & Giải thích (Exercise 5)

1. larger — So sánh hơn của large là larger.
2. greatest — So sánh nhất của great là greatest.
3. longer — So sánh hơn của long là longer.
4. faster — So sánh hơn của fast là faster.
5. largest — So sánh nhất của large là largest.
6. cleaner — So sánh hơn của clean là cleaner.

Exercise 6: Choose the correct answer.

1. What is the subject in 'Visitors hike every day'?

Visitors hike every day day

2. What is the predicate in 'Visitors hike every day'?

Visitors hike every day every day Visitors hike

3. What is the subject in 'The Colorado River flows through the canyon'?

The Colorado River flows through the canyon canyon

4. What is the predicate in 'The helicopter flies above the canyon'?

The helicopter flies above the canyon above the canyon canyon

5. Which word is the subject in 'The red rock looks beautiful'?

The red rock looks beautiful rock looks

6. Which is the predicate in 'Many visitors take photos'?

Many visitors take photos photos Many

🔑 Đáp án & Giải thích (Exercise 6)

1. Visitors — Visitors là chủ ngữ.
2. hike every day — Predicate là phần nói về chủ ngữ.
3. The Colorado River — The Colorado River là chủ ngữ.
4. flies above the canyon — Đây là vị ngữ của câu.
5. The red rock — The red rock là chủ ngữ.
6. take photos — Take photos là vị ngữ.