Ⅰ.用所给词的适当形式填空
1．Many new houses ________________________(build) in the past few years.
2．So far no letter ________________________(receive) from my friends.
3．The room ________ already ________________(clean)，hasn’t it?
4．Much useful information about planets ________________________(collect) since 1971.
5．The temple ________________________ (repair) since last year.
6．________ the book ________________ (publish) yet?
7．You can see the house ________________________(not paint) for years.
8．—We want to sit at the table near the window.
—I’m sorry，but it ________________________(take) already.
