MODULE 8 - Đại từ nhân xưng, Đại từ sở hữu và Đại từ phản thân
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More than one student to do those mathematic puzzles which ________ by the teacher last week. A. has tried / was given B. have tried / were given C. has tried / were given D. have tried /

50/50

More than one student     to do those mathematic puzzles which ________ by the teacher last week.

has tried / was given

have tried / were given

has tried / were given

have tried / was given

Giải thích

Chọn đáp án C