1 . 在我看来，学生应该多听多说，以便能培养他们的沟通技巧。
As far as I am concerned，students should do more listening and speaking________________.

2 . People liked O. Henry’s stories, because simple as the tales were, they ______ finish with a sudden change at the end, to the readers’ surprise.

A．could

B．would

C．might

D．must

3 . They________ every means, but the engine ________work.

A．tried; couldn’t	B．have tried; won’t
C．tried; won’t	D．have tried; can’t

4 . I lived with my brother this winter and didn’t have to pay rent. So I __________ save most of my salary. (用适当的词填空)

5 . The custom of giving gifts at Christmas __________ be traced back to the Wise Men bringing gifts to the baby Jesus. (用适当的词填空)

6 . —The test is very important to us. Do you think so?

—Yes, so we ________ be too careful during the test.

A．mustn’t

B．daren’t

C．needn’t

D．can’t

7 . I advise you to stay away from Mary. Although she is usually easy-going, she ______be quite annoying sometimes.

A．can

B．need

C．must

D．should

8 . Social media platforms make different voices heard, but they ______ also spread false information.

A．must

B．can

C．should

D．need

9 . 只有以这种方式我们才能更好利用网络并生活在一个更加和谐的社会之中。
Only in this way ________ we ________ ________ ________ the Internet better and live in a more harmonious society.

10 . This road is narrow and the traffic on it is heavy, so sometimes it ______ be blocked.

A．should

B．shall

C．can

D．need