1 . I know a little bit about Italy as my wife and I ________ there several years ago.

A．are going

B．had been

C．went

D．have been

2 . Every possible means ________ to prevent the air pollution, but the sky is still not clear.

A．are being used	B．have been used
C．has been used	D．had been used

3 . ---Have you heard the latest news?   ---No. What ________?

A．is it

B．is there

C．are they

D．are those

4 . —Which of the two computer games did you prefer?
—Actually I didn’t like        .

A．both of them	B．either of them
C．none of them	D．neither of them

5 . The flowers were so lovely that they __________ in no time.

A．sold

B．had been sold

C．were sold

D．would sell

6 . We all know that, __________, the situation will get worse.

A．not if dealt carefully with	B．if not carefully dealt with
C．if dealt not carefully with	D．not if carefully dealt with

7 . Between the two generations, it is often not their age, _________ their education that causes misunderstanding.

A．like

B．as

C．or

D．but

8 . Some pre-school children go to a day care center, __________ they learn simple games and songs.

A．then

B．there

C．while

D．where

9 . Have you known Dr. Jackson for a long time?
—Yes, since she________ the Chinese Society.

A．has joined

B．joins

C．had joined

D．joined

10 . Let’s learn to use the problem we are facing      a stepping-stone to future success.

A．to

B．for

C．as

D．by