Question

4. [2014 •浙江卷]They were abroad during the months when we were carrying out the investigation, or they    to our help.

A. would have come      B.   could come

C.  have come         D.  had come

Answer 1

4.    A考查虛擬語(yǔ)氣。句意：當(dāng)我們?cè)谧稣{(diào)查的那幾個(gè)月里，他們一直在國(guó)外，否則的話他們?cè)缇蛠?lái)幫我們了。從句中的關(guān)鍵題眼or可知，此處是虛擬語(yǔ)氣，同時(shí)根據(jù)前面的they were abroad可知，此處是對(duì)過(guò)去狀況的虛擬，根據(jù)語(yǔ)法規(guī)則可知， 句中謂語(yǔ)動(dòng)詞用"should/would/could/might + have done"結(jié)構(gòu)，所以選A項(xiàng)。