题目内容
【题目】Joe is a good student and he is busy ______ his studies every day.
A.inB.withC.byD.for
【答案】B
【解析】
句意：Joe是一个好学生并每天忙于他的学习。
考查介词辨析。in在；with和；by通过；for为了，根据固定搭配be busy with sth“忙于某事”，故选B。
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题目内容
【题目】Joe is a good student and he is busy ______ his studies every day.
A.inB.withC.byD.for
【答案】B
【解析】
句意：Joe是一个好学生并每天忙于他的学习。
考查介词辨析。in在；with和；by通过；for为了，根据固定搭配be busy with sth“忙于某事”，故选B。