Đề thi Học kì 1 Tiếng Anh 12 Thí điểm (có đáp án - Đề 5)

That was the task that faced 14 volunteers when they started out on a bed-rest experiment being conducted (32)….. the European Space Agency.

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That was the task that faced 14 volunteers when they started out on a bed-rest experiment being conducted (32)….. the European Space Agency.

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Đáp án A