Task 1 - Complete the sentences with the correct form of the verbs in parentheses - SHS Explore English 8 page 129

1.  Nội dung câu hỏi

a. The United States (launch) __________ its first artificial satellite Explorer 1 in 1958.

b. NASA (prepare) __________ for another moon mission for many years.

c. He fell off the ladder while he (train) __________ for the program.

d. The plane (take off) __________ in 20 minutes.

e. I think soon we (know) __________ more about the origin of life on Earth.

2. Phương pháp giải

Vận dụng kiến thức đã học để áp dụng làm bài tập

3. Lời giải chi tiết

a. The United States launched its first artificial satellite Explorer 1 in 1958.

b. NASA has been preparing for another moon mission for many years.

c. He fell off the ladder while he was training for the program.

d. The plane will take off in 20 minutes.

e. I think soon we will know more about the origin of life on Earth.