---________ he still _________ in his office?
---No. He __________ back home. 

A．Is; working; went	B．Has; worked; is going
C．Is; working; has gone	D．Did; work; is going

Last Sunday, we went to China Dinosaur Land in Changzhou. We ____________ there for 10 hours.

A．have stayed

B．will stay

C．stayed

D．stay

My dictionary _____. I have looked for it everywhere but still____ it.

A．has lost; don’t find	B．is missing; don’t find
C．has lost; haven’t found	D．is missing; haven’t found

-----When and where _______ you _________ the bag? ---- Oh, yesterday in my desk.

A．have, found

B．did, find

C．was, finding

D．have, find

完成句子 （本大题共9分，每小题1.5分）按所给汉语，用英语完成下列句子。
小题1:我妈妈去美国三个星期了。
My mother ____________________________________________________________________________ .
小题2:你什么时候动身去广州？
When ____________________________________________________ Guangzhou?
小题3:你们是通过发邮件相互保持联系的吗？
Do you _______________________________________________________ by mail?
小题4:这里曾经有一个非常美丽的湖，但是现在它已经变得非常脏了。 
There _____________________a very beautiful lake, but now it ________________________________.
小题5:对我来说，想和以前那样经常看电视是不可能了。
It is __________________________________________________________________________.
小题6:你的电脑买了多久了？
_______________________________________________________________________ your computer?

---Look! What a nice and clean toilet!   
---Yes. It ______ every morning.

A．is cleaned	B．has been cleaned
C．is being cleaned	D．was cleaned

—How was your summer holiday, Lily?
—I went to Beijing with my parents and we _________ a good time there.

A．have

B．had

C．have had

D．will have

--- Do you know if Kitty ______  shopping this afternoon?
--- I’m not sure. But if she        , I will let you know. 

A．goes, will go

B．goes, goes

C．will go, goes

D．will go, will go

--- I phoned you at six yesterday afternoon, but nobody answered.
--- Oh, I __________a walk with my parents near the river.

A．am taking

B．was taking

C．took

D．will take

She_______ballet before she entered film industry.

A．has practiced

B．had practiced

C．will practiced

D．would practiced