2 . “Put on your coat, ______ you will catch a cold!” This is what my mum often says .

A．and

B．but

C．or

D．so

3 . If you let challenges and difficulties benefit ______ depress you, much more can be accomplished than you thought possible.

A．more than

B．rather than

C．less than

D．other than

4 . It’s really very dangerous. One more step, _____the baby will fall into the well.

A．or

B．so

C．but

D．and

5 . —I wonder how much you charge for your services.
—The first two are free, _______ the third costs ＄30.

A．while

B．until

C．when

D．before

6 . ____________ David says sounds right to Helen. That’s why she has made up her mind not to leave him _____________ happens.

A．Whatever; whatever	B．No matter how; whatever
C．No matter what; however	D．Whatever; no matter how

7 . My English teacher’s humor was ______ make every student burst into laughter.

A．so as to	B．such as to
C．such that	D．so that

8 . They believe that the spirit remains with the body for 3 days；_____ someone always stays with the dead person.

A．so during this time

B．during which

C．during which time

D．so when

9 . China is a country with the largest population in the world,          we all know it.

A．and	B．which
C．that	D．as

10 . No other countries could ________, nor could slaves ________ women.

A．join; or

B．join in; or

C．join; and

D．join in; and