1 . I won’t attend the party to be held in Mary’s home, _______________ I won’t stay where I feel I’m not welcomed.

A．now that	B．so that
C．because	D．when

2 . She felt very upset ___________ what her deskmate said.

A．because	B．because of
C．as if	D．unless

3 . _____opportunity has not found any sign of life, the presence of water means life is possible．

A．While	B．Because
C．When	D．Since

4 . 1 think we'd better keep to the subject,       we'11 waste our time．

A．and

B．or

C．but

D．so

5 . Sometimes questions in the interview are ______ expectation and difficult to answer well.

A．among	B．between
C．within	D．beyond

6 . 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

7 . 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

8 . Barack Obama’s first speech as president left a strong impression his audience.

A．on

B．in

C．at

D．by

9 . _____ being too large, the color and the style of the dress suit me well.

A．Apart from

B．As well as

C．Besides

D．Instead of

10 . The new medical care policy will be _____ to us all.

A．great beneficial	B．of greatly benefit
C．of much benefit	D．of great beneficial