求解答这几道英语时态题,急.

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