1 . It rained heavily in the south，________serious floods in several provinces.

A．caused	B．having caused
C．causing	D．to cause

2 . I have to go to work by taxi because my car _____at the garage.

A．will be repaired	B．is repaired
C．is being repaired	D．has been repaired

3 . I couldn’t do my homework with all that noise           .

A．going on

B．goes on

C．went on

D．to go on

4 . ______ in a white uniform, he looks more like a cook than a doctor.

A．Dressed	B．To dress
C．Dressing	D．Having dressed

5 . ________ a phone is of great help, I don’t think it’s a good idea to spend too much time on it.

A．If

B．While

C．Because

D．As

6 . Mr. Smith was thinking about how to explain to the manager why he was late for work, when a good idea ______ to him.

A．happened

B．brought

C．occurred

D．struck

7 . Please remain _______;   the winner of the prize will be announced   soon.

A．seating

B．seated

C．to seat

D．to be seated

8 . The message is very important, so it is supposed _______ as soon as possible.

A．to be sent

B．to send

C．being sent

D．sending

9 . Students should be encouraged to use        Internet as        resource。

A．/；a

B．/； the

C．the； the

D．the； a

10 . Peter was so excited _________he received an invitation from his friend to visit Chongqing.

A．where

B．that

C．why

D．when