Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

Câu hỏi

After the spacecraft ______ into space, the crew started to observe the Earth.

A. travels

B. had travelled

C. was travelling

D. has travelled

Đáp án
B. had travelled

Câu hỏi thuộc Bài tập:

Ôn thi vào lớp 10 _ Đề số 14 (tập 2)