1 . —Are you worried about his safety?
—Only ______.

A．gradually	B．broadly
C．slightly	D．extremely

2 . Never believe anything _____ any other person has believed it.

A．because	B．unless
C．that	D．once

3 . I am considering ______ a nurse after I leave school, which is considered ______ “ an angel in white”.

A．becoming; being	B．becoming; to be
C．to become; to be	D．to become; being

4 . Our government has promised to improve our water quality, so it won’t be long _______ the residents can have access to clean water.

A．after

B．since

C．before

D．unless

5 . 1 think we'd better keep to the subject,       we'11 waste our time．

A．and

B．or

C．but

D．so

6 . They sold their house for only 12,000 dollars, so the buyer got a wonderful .

A．cost

B．bargain

C．view

D．value

7 . Scientists believe that it might be several years ______ the medicine can be used on human beings.

A．since

B．when

C．before

D．until

8 . Hurry! Class ________. You know the first class _____ at 7:30.

A．is beginning; begins	B．begins; is beginning
C．is beginning; is beginning	D．begins; begins

9 . The villagers here are very friendly. I am quite sure that you will get along well with them __________ you get to know them.

A．before

B．though

C．once

D．unless

10 . ______ they reached Oxford, they stopped the car on top of the hill.

A．A mile or so before	B．Before a mile or so when
C．For a mile or so after	D．Further than a mile or so