成人高考学位英语备考练习:非谓语动词 一、不定式 (一)基本结构 to do to be doing to have done to be done to have been done 学位英语真题汇编 1、Judging from his manners at the party, he does
Promote the construction of main power grid structure and intelligent upgrading and rebuilding of urban and rural power grids and carry out the construction of demonstration projects such as smart grid and micro-grid. 【资料来源:省委深改办(自贸办)...
she must live near here, for she comes to work on foot. she was absent from class. there must have been something wrong with her. the light was out. they must have gone to bed. mary’s score on the test is the highest in her class. she ___ have stu...
A. needn't have done B. must not have done C. shouldn't have done D. can not have done 10、The weather turned out to be fine yesterday. I ___ the trouble to carry my umbrella with me. A. should have taken B. could have taken C. needn't have taken D...
现在完成时(have/has done) ①表示动作到现在为止已经完成或刚刚完成,强调对现在产生的影响。 例:I bought a new house, but I haven t sold my old one yet, so at the moment I have two houses. 我买了一所新房子,但是还没有卖掉旧的,所以现在我又两所房子。
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