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求解答这几道英语时态题,急.

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求解答这几道英语时态题,急.
1."I have____ [have] another letter from him"Mr.White said.
2."His leg's____ [get] worse.That's too bad".
3.____ you _____ [wait] for a bus now?
4."I've finished my homework." "When ___ you ___ it "
A.have;finished B.do;finish C.did;finish D.will;finish
5.Judy ___ the Great Wall twice ,and now she still ___to go there.
A.went to;wanted B.goes to;wants C.has gone to; D.has been to;wants
6."Have you ever been to Shanghai?" "Yes,I ___ there last year."
A.went B.go C.were D.gone
7.The two old men ___ each other since 1970.
A.didn't seen B.don't see C.haven't see D.won't see
8.If it is fine,the sports meeting ___ two days.
A.lasts B.will last C.lasted D.last
9.We've waited for you 2 hours.Where___ ,Jim?
A.are you B.have you been C.are you from D.have you gone
10."How long have you ___ there?""About six years"
A.come B.gone C.left D.worked
11.Our workshop ___ since two years ago.
A.was opened B.opend C.has been open D.has opened
12.Our knowledge[知识] of the universe[宇宙] ___ all the time.
A.grow B.is growing C.grows D.grew
13.It's five years since I ___ you last time.
A.met B.meet C.have met D.had met
14.I thought the news ___ important for us all.
A.is B.was C.were D.will be
15.The woman fell off the bike and ___ on the road
A.lied B.lie C.lay D.lying
16.Do you know which picture ___ best?
A.does she like B.she likes C.did she like D.she is liking
17.I don't know if she ___ me when she ___.〔2000 黑龙江〕
A.tells;arrives B.tells;will tell C.will tell;will arrive D.will tell;arrives
18.Never trouble me shile I ___ in my room!〔2000 河北〕
A.will sleep B.aleeps C.am sleeping D.slept
19.If you ___ lunch at school today ,so will I.〔2000 湖北黄冈〕
A.have B.have had C.will have D.had
20.They never knew what ___ to the world in a hundred years.
A.happened B.would happen C.had happened D.would be happene
求解答这几道英语时态题,急.
1."I have__had__ [have] another letter from him"Mr.White said.
2."His leg's__got__ [get] worse.That's too bad".
前两题是现在完成时,have的过去分词是had,get的过去分词是got
3.__Are__ you __waiting___ [wait] for a bus now?
你现在在等车吗?
4.C “我已经完成了作业”“你什么时候完成的?”这明显是两个人的对话.
5.D 表示她已经去过两次了的这个结果,用完成时;后面表示她现在仍然想去,简单的一般现在时.
6.A 因为有last year这个时间点,所以用简单的一般过去时
7.C(打错了吧,应该是 haven't seen) since是个典型的完成时标志.意思是,两个老人自从1970年就再也没见过了.
8.B 主将从现
9.B 现在已经回来了所以用been不用gone
10.D 其他词均不行
11.D since是现在完成时的标志
12.B 一直在增长
13.A 这是特殊用法.(since只是引导完成时,since本身后面并不跟完成时,而是since前面的句子用完成时,这里it's five years没有用完成时是特殊用法)
14.B news是不可数名词,而且这句话的大前提是过去时
15.C lie,lay,lain表示“平躺”
lie,lied,lied表示“说谎”
16.B 倒装
17.D 主将从现
18.C 我在睡觉的时候,不要打扰我
19.C 根据后面so will I可是前面应该有will.本来也表示对今天中午还没有发生的事情的打算.
20.B 应该用将来时,因为是对100年之内的预测,而大条件是过去时,由knew可知.所以用过去将来时,would happen