1 . Steve Jobs took the trouble ________ a calligraphy class, though none of ________ he learned in it seemed to have practical application in his life.

A．to attend……which	B．to attend…what
C．attending…what	D．attending…which

2 . It is essential ________ harmful habits ________ a teenager’s life.

A．to prevent; dominating	B．preventing; to dominate
C．to prevent; to dominate	D．preventing dominated

3 . Cindy is believed______many books. This is the reason why she performed so well in the knowledge contest.

A．to have read

B．to read

C．having read

D．reading

4 . I want to invite my friend ________ eat Chinese food.

A．at

B．in

C．with

D．to

5 . —The boy was seen ________ his bike a moment ago.
—I am sorry to hear that.

A．fell off

B．to fall off

C．fall off

D．to fall down

6 . She decided to          her job and start a coffee bar.

A．give up

B．give out

C．give in

D．give back

7 . The pilot suggests that if you want to know how hard it is ________ in space, you can try eating while lying on one side.

A．to swallow

B．being swallowed

C．to be swallowed

D．swallowed

8 . You drop a piece of litter and can’t be bothered to ________.

A．pick up

B．picking up

C．pick it up

D．picking it up

9 . The teacher was ___________ happy ___________ hear the news that White had been admitted to a university.

A．too... to...

B．so... that...

C．not only... but also...

D．such... that...

10 . As for preparation, reading some Chinese novels in advance will guarantee ________ you adapt to the Chinese language environment.

A．making

B．to make

C．to be made

D．being made