1 . —These problems are too hard to ________. Will you give me some advice?
—There are many ways, but the most important is to have a careful plan.

A．look out

B．come out

C．put out

D．work out

2 . —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

3 . It was very noisy outside so the headteacher sent one of the students to __________ what was going on.

A．find out

B．work out

C．try out

D．help out

4 . Many volunteers went to this poor area to help ________ food to local people.

A．put out

B．come out

C．work out

D．give out

5 . This month is too full for us, so I think we’d better ________ some after-school activities so that we can focus on the coming competition.

A．take out

B．cut out

C．find out

D．work out

6 . Grace has already _______ the knives and forks on the table. Let’s start dinner now.

A．laid out

B．worked out

C．cleared out

D．sold out

7 . 这道数学题太难了，几乎没学生能做出来。（完成译句）
The math problem is so difficult that few students can ________ it ________.

9 . —Peter, could you please help me ________ this math problem?
—OK. Let me have a try.

A．look up

B．find out

C．work for

D．work out

10 . —The Taylors are going to ________ a lot of clothes to help homeless people.
—Hope their plan ________.

A．put up; works on

B．give away; works on

C．put up; works out

D．give away; works out