VII. Mark the letter A, B, C or D to indicate the sentence that is closest in meaning to each of the following questions.

Câu hỏi

Every astronaut has to experience some training. The training is really hard.

Đáp án
A. Every astronaut has to experience some training which is really hard.

Câu hỏi thuộc Bài tập:

Tiếng Anh 9-Unit 10