题目内容
【题目】The students are supposed hard.
A.studying
B.to study
C.study
D.studied
【答案】B
【解析】句意：这些学生们应该努力学习。studying学习，是动名词形式；to study动词不定式；study学习；studied过去式。这句话中使用的句型是be supposed to do sth.被认为应该做某事，所以答案是B。
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题目内容
【题目】The students are supposed hard.
A.studying
B.to study
C.study
D.studied
【答案】B
【解析】句意：这些学生们应该努力学习。studying学习，是动名词形式；to study动词不定式；study学习；studied过去式。这句话中使用的句型是be supposed to do sth.被认为应该做某事，所以答案是B。