Bài tập Hoàn thành câu có đáp án Phần 1

There is a lot of interest in carrying out experiments in the __________ conditions which are experienced aboard space stations

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There is a lot of interest in carrying out experiments in the __________ conditions which are experienced aboard space stations.

weightless

weighting

weighty

weighted

Giải thích

Đáp án đúng là: A