1 Years ago,we did not know this,but recent science ___ that people who don't sleep well soon get ill.
A showed B has showed C will show D is showing
答案是B,為什么不是A?
看到橫線后面的句子嗎,是一般現(xiàn)在時(shí).而且主語是recent science 近來的科學(xué).
2.The year 2002 ___ remarkable changes in shanghai's landscape.
A sees B has seen C saw Dhad seen
答案是C,請解釋并翻譯一下.
主語是The year 2002 所以用過去式.
3.I would have finished the work more quickly,but I ____ that you were waiting.
A.hadn't known B.wouldn't known C.haven't known D.don't known
答案是A,Why?
意思是我本能夠更快一些完成工作,但是我不知道你在等我.你在等用的是過去式,我不知道這個(gè)動(dòng)作發(fā)生在你在等之前.
4.Because the shop ___ ,all the T-shirts are sold at half price.
A .has closed down B.closed down C is closing down D.had closed down
答案是C,為什么呢?
所有的T恤現(xiàn)在被以半價(jià)賣掉,所以這個(gè)商店快要倒閉了.
5.The dission _____ alive when an interesting topic was brought in.
A was coming B.had come C has come D.came
答案是D,問什么A 不對.
時(shí)間狀語用的是過去式,所以前后時(shí)態(tài)一致.
6.Now that she is out of job,Lucky ___ going back to school,but she hasn't decided yet.
A .had considersd B.has been considering
C.considersd D.is going to considER
答案是B.C 哪錯(cuò)了?
最后半句說她還沒決定,所以說她一直在考慮.現(xiàn)在完成進(jìn)行時(shí)表示從過去的某一點(diǎn)發(fā)生,現(xiàn)在還在進(jìn)行的動(dòng)作.
7——What are you going to do this afternoon?
——I'm going to the cinema with som friends.The film ___ quite early,so we _____ to the bookstore after that.
A.finished ; are going B.finished; go
C.finishes; are going D.finishes; go
答案是C,第二空“so we are going to the bookstore” 我覺得應(yīng)該是"so we are going to go to the bookstore".對不?
道理上對,但是和前面的重復(fù)了,為了避免重復(fù),所以省掉了.依然表示將要去.
8.Under more favorable conditions,we _____ better.
A.could be done B.could have done C.should do D.needn't have done
答案是B,我選了C.
因?yàn)橛衜ore,所以用虛擬語氣.如果沒有more,用C可以.