1.__besenttoworkthere?a.Whodoyousuggestb.Whodoyousuggestthatshouldc.DoyousuggestwhoshouldD.Doyousuggestwhomshould,为什么不选B?2.IfIhadwornmyovercoat,I__cold.A,won'thavecaughtB.won'tcatchC.couldn'thavecaughtD.wo

　　1.__besenttoworkthere?

　　a.Whodoyousuggestb.Whodoyousuggestthatshould

　　c.DoyousuggestwhoshouldD.Doyousuggestwhomshould

　　,为什么不选B?

　　2.IfIhadwornmyovercoat,I__cold.

　　A,won'thavecaughtB.won'tcatch

　　C.couldn'thavecaughtD.wouldn'tcatch

　　答案是C．为什么不选A?

　　3．-Didyougotowatchthefootballmatchyesterday?

　　-No,Ididn'tfeelwell,butIwouldhavegoneifI__/

　　a.hadb.didc.would.d.was

　　D怎么不可以?

　　4.Wedidn'tknowhistelephonenumber,otherwisewe__him.

　　A.wouldhavetelephonedB,musthavetelephoned

　　C.wouldtelephoneD.hadtelephoned

　　,A怎么不可以

　　5.He'sworkinghardforfearthathe___.

　　a.shouldfallbehindb.fellbehind

　　c.mayfallbehindd.wouldfallbehind

　　答案是A．D和A不都可以表示虚拟么?D为什么不对?