1 . —Don’t waste water again, or we’ll _______ it one day.
—You are right.

A．take out

B．run out

C．run out of

D．work out

2 . 中国希望俄罗斯和乌克兰之间的问题将会解决。(work)
China hopes that the problems between Russia and Ukraine ________________.

3 . —The weather report says it will be rainy tomorrow.
—Oh, no. If it rains, we have to ________ our sports meeting until next week.

A．cheer up

B．put off

C．work out

4 . 垃圾分类有助于解决很多问题，比如资源浪费。
Garbage sorting can help ________ ________ many problems, such as waste of resources.

5 . —I have trouble ________ the math problem.
—Why not ask Jim for help? He is good at math.

A．giving up

B．working out

C．thinking over

6 . You’d better find a way to ___________ this maths problem by yourself. (算出)

7 . 仔细想想，你就能解决这个问题了。
Think hard, and you can ________ this problem.

8 . —I can’t ______ the math problem. What should I do?
—You can ask your teacher for help.

A．work out

B．put out

C．come out

9 . Life in the 2030s will be filled with difficulties, but we believe we can _______ any problem.

A．find out

B．look out

C．work out

10 . It ______ that the blood on the suspect’s shirt was from killing hens and ducks.

A．broke out

B．turned out

C．worked out

D．gave out