IV. Choose the underline word or phrase (marked A, B, C or D) in each sentence that needs correcting.

Câu hỏi

The first animals to be launched in an American rocket in 1947 was fruit flies.

Đáp án
D. was

Câu hỏi thuộc Bài tập:

Bài tập Tiếng Anh lớp 9 - UNIT 10: SPACE TRAVEL