1 . Life in the 2020s will be full of difficulties, but we believe we can ________ any problem.

A．find out

B．point out

C．work out

2 . You can ________ useless information in the article to make it easier to understand.

A．work out

B．hand out

C．cut out

3 . —I can’t ________ this math problem, because it is too difficult for me.

—Don’t worry. Let me help you.

A．work out

B．take up

C．check out

D．look up

4 . —The math problem is very difficult for me. I can’t ________. Can you give me a hand?
—Sure.

A．work it out

B．work out it

C．work on it

D．work it on

5 . He is busy ________ ________ (算出) the math problems.

6 . To practice the idea of green development, the city of Nanjing ________ voluntary tree planting activities on March 12 every year.

A．finds out

B．works out

C．picks out

D．carries out

7 . 用方框中所给短语的适当形式填空。

a big deal; work out; so that; communicate with; not…any more

1. Although it is wrong of your sister to look through your things without your permission (允许), it is not ________________.
2. Tom always gets up early ________________ he can catch the early bus to arrive at school on time.
3. It is believed that discussing in groups is a good way ________________ some difficult problems.
4. Young people sometimes can’t ________________ their parents easily.
5. His parents ________________ argue with each other ________________.

8 . —Alice is ________ a difficult math problem.

—I’m sure she’ll ________.

A．working on; work it on	B．working out; work it out
C．working out; work it on	D．working on; work it out

9 . 在老师的帮助下，他终于解出了那道数学难题。(work)
He __________ the math problem with the help of his teacher.

10 . The math problem was very hard for him, but he still ________ it ________.

A．worked; on

B．worked; out

C．worked; with

D．worked; for