500+ câu trắc nghiệm tổng hợp Chia động từ Tiếng Anh có đáp án (Phần 1)

For several years his ambition ________ to be a pilot. A. has been B. is C. was D. had been

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For several years his ambition ________ to be a pilot.

A. has been

B. is

C. was

D. had been

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Giải thích

Đáp án

Chọn đáp án A