题目内容


Students taking the course _____to finish their homework with the help of computers．
A．are encouragedB．have encouraged
C．are encouragingD．had been encouraged
A
考查被动语态。taking the course是现在分词答语作后置定语，Students和encourage是动宾关系，应该用被动语态，排除B、C；句中没出现过去的动作，不能用过去完成时。故选A。
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