The teachers are busy_______ heir lessons, while the students are busy ________the examination.

A. preparing; prepare for　　　 B. preparing; preparing for

C. to prepare; to prepare for　　 D. preparing for; preparing for

 

B

prepare lessons是指“老師備課”，prepare for the examination指學(xué)生“準(zhǔn)備迎考”。Be busy doing sth表“忙于做某事”。

 

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.The teache rfound ____ difficult to decide____ he would take with him to attend the

conference.

  A.it;whom        B.himself;who       C.this;whom      D.that;who

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