2 . — Jim, have you seen Wendy this morning?
— Yes. I saw her ______ up a radio in her office at 10:00.

A．was fixing

B．to fix

C．fixing

D．fixed

3 . She doesn’t know ______ was wrong with the washing machine.

A．which

B．what

C．why

D．when

4 . —This dress was last year’s style.
—I think it still looks perfect ______ it has gone out this year.

A．so that

B．even though

C．as if

D．ever since

5 . Living on Mars is ______ because robots can do a lot of work.

A．interesting

B．funny

C．relaxing

D．dangerous

6 . Who’s Liu Wei? I have never ______ him before.

A．heard from

B．heard of

C．listened to

D．learned about

7 . You’d better ______ the TV at 8:45 tonight. Don’t miss it.

A．to turn on

B．turn off

C．turn on

D．to turn off

9 . My study is big enough to ______ a computer desk.

A．put out

B．put on

C．put up

D．put in

10 . —Where shall I go for the summer holiday?
—How about Xiamen? It’s a city worth ______.

A．to look around

B．looking forward to

C．looked forward to

D．looking around