1.-You look tired.

1.-You look tired.
-Yes,I_non-stop until 5 o'clock.
A.had been working B.have worked C.was working D.had worked
2.-Do you know the right answer of the question?
-sorry,I_.Would you repeat the question?
A.haven't listened B.don't listen C.wouldn't listen D.wasn't listen
3.-Where have you been all the time?The train is about to leave.
-I'm sorry I'm late,but I_for you at the information desk upstairs.
A.waited B.had been waiting C.was waiting D.have been waiting
4.This week,I_my neighbor,and we_to school together.
A.got to know;walked B.have known;walk C.knew;walked D.will know;will walk
5.The big fire,I hear,caused by a careless smoker,_a large forest.
A.which burnt B.burnt C.burning D.having burnt
6.-You haven't said a word about my new hair-style,Molly.Don't you like it?
A.wasn't saying B.didn't say C.won't say D.don't say
7.-We are late.The play has started.
-I wonder how long ago_.
A.it began B.did it begin C.was it beginning D.it has begun
8.-Did you tell Julia about the result?
-Oh,no,I forgot.I_her now.
A.will be calling B.will call C.call D.am to call
9.-This returned Chinese scholar has become one of the top experts in this field.
-Yes,I know him every well.He_in Africa with wild animals for eight years.
A.has worked B.had worked C.worked D.has been working
10.-Sadam,the former president of Iraq,was caught at last.
-Really?Where_himself?
A.has he hidden B.had he hidden C.was he hidden D.has he been hiding
求你们了，真的是急