用括号内所给的词的正确形式填在横线上.

用括号内所给的词的正确形式填在横线上.
1.The trees _____ _____(water) there times a weeks a weeks,so they grow very well.
2._____ recorders_____(use) in your class every day?
3.When did you take these photos?
They _____ _____(take) when I made a visit to Xi'an last year.
4.You ____ ____ (invite)to the meeting last Sunday.Why do you go?
5.Is there a swimming pool near here?
Yes,it _____ _____ (build) only a few months just ago.
6.The glass ____ ____ (break)by my mother just now.
7.This kind of machine ____ ____ (invent)by Tom when he was only ten years ago.
8.When _____your new car ____(buy)?
9.In which country _____Doll _____(clone) ,do you know?
10.Shenzhou V ____ ____(not send) into space in 2005,but in 2003.
11.This kind of knife is dangerous,so it can't ____ ____(buy)in the shop.
12.Must the work ____ ____(do)now?
No,it may ____ ____ (finish)tomorrow.