But for their help,we the program in time.A.can not finishB.will not fin
题型:不详难度:来源:
But for their help,we the program in time.A.can not finish | B.will not finish | C.had not finished | D.could not have finished |
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答案
D |
解析
本题考察虚拟语气.But for起到了对过去虚拟的条件句作用,后面自然要选would/could/might/should+have done结构了. |
举一反三
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