题目内容

用括号内所给动词的正确形式填空(共5小题;每小题1分。满分5分)
小题1:—I hear that Sam has gone to Beijing for his holiday.
—Oh, how nice! Do you know when he ________ (leave)? 
小题2:—What’s wrong with my computer, Jim?
—Let me see. Oh, it _________ (break) down. You’d better ask Mr. Li to mend it.
小题3:The reporter said that the UFO _________ (travel) from east to west when he saw it.
小题4:Look! The teenagers are making cards ________ (show) love for their mothers.
小题5:-That important problem __________ (discuss) for nearly two weeks.
-Yes, it’s hard for us to solve it.

小题1:left 
小题2:has broken 
小题3:was traveling 
小题4:to show 
小题5:has been discussed

小题1:此题考查动词的过去式。
小题2:此题考查动词的现在完成时的基本构成,have/has+过去分词
小题3:此题考查动词的过去进行时的基本用法。
小题4:此题考查动词不定式做目的状语。
小题5:此题考查现在完成时的被动语态。Have、has+been+过去分词。   
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