1 . —What is happening in that new area?   — New houses ________ over there.

A．are built	B．are building
C．have built	D．are being built

2 . Fill in the blanks in the right form with the given verbs.
1. This time last year, the bridge _________ (build).
2. To our surprise, this kind of shoes _________ (sell) well.
3. It _________ (rain) for a week; when will it stop?
4. Great changes _________ (take place) in my hometown in the past few years.
5. By the time Juan gets home, his father _________ (leave) for London.
6. This is the second time you _________ (ask) to give a lecture.
7. When Li Ming hurried home,   he found that his mother _________ (not send) to hospital yet.
8. Don’t delay! Tack _________ (wait) for you anxiously at the moment.
9. At this time tomorrow the doctor _________ (operate) on a patient.
10. I am not used to _________ (treat) like this.