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Ten minutes has been made full _______ of ________ the problem.
A．using ; studyingB．use ; to study
C．to use ; to studyD．use ; studying
B

試題分析：考查句子結(jié)構(gòu)。本題是一個被動語態(tài)，主動形式是make use of ten minutes.變成了被動語態(tài)Ten minutes has been made use of.后面的不定式表示目的狀語。句意：為了了解這個問題，10分鐘的時間已經(jīng)被充分利用了。故B正確。
點評：句子結(jié)構(gòu)的考查主要集中在主動語態(tài)與被動語態(tài)的轉(zhuǎn)換，非謂語動詞的使用。
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