Half an hour has been made full ______ of _____ the problem.A.using; studyingB.u

Half an hour has been made full ______ of _____ the problem.A.using; studyingB.u

题型:不详难度:来源:
Half an hour has been made full ______ of _____ the problem.
A.using; studyingB.use; to studyC.to use; to studyD.use; studying

答案
B
解析

试题分析:考查固定词组和句子结构。固定词组make full use of充分利用,本句是被动语态;第二空的不定式做目的状语。句意:半个小时已经被充分利用了来研究这个问题。故B正确。
点评:固定词组make full use of充分利用,本句是被动语态;第二空的不定式做目的状语。
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