M:Well,my computer that __3__(buy) three years ago is really old,so most software doesn't __4__(work) well.
W:Oh,I can show you how to use it.
M:How long does it take to download MP5 files?
W:I usually __5__(download) at least 30 a day.
M:Do you often download any TV programs or movies that __6__(broadcast)? W:Sure.
M:Could you please download some for me?
W:Sure,just tell me what you want.
M:Let me see.I __7__(hear) a lot about TV show __8__(call) Friends.
W:No problem,did you know that there are many Friends' forums online? M:What's a forum?
W:It's a place where you can chat to other people who __9__(have) similar interests
as you.
M:Do the friends stars ever show up there?
W:Sometimes,people say they are the Friends' stars,but you never know who you __10__(talk) to.
答案 1.have been chatting e 3.was bought
4.work 5.download 6.are being broadcast 7.have heard
8.called 9.have 10.are talking
B It was getting dark when I __1__(get) home.It was cold and I __2__(wear) a coat.I walked up to the door and put my hand into my pocket to take out the key,but I couldn'tfind it.I suddenly remembered that I __3__ (leave) it on my desk in the office.It really didn't make any difference.I knew my wife __4__ (be) at home and the children must have come back from school by now,so I __5__(knock) at the door.There was no answer.I __6__(continue) knocking at the door for some time.I __7__(get) angry.Then I remembered something the office boy __8__(tell) me at noon.He said that my wife __9__(phone) saying that she __10__ (go) shopping in the afternoon with the children.It seemed that nothing __11__ (can do) and I __12__(shut) out of my house.
答案 1.got 2.was wearing 3.had left 4.was
5.knocked 6.continued 7.was getting 8.had told
9.had phoned 10.would go 11.could be done 12.would be shut