1 . We can’t ________ this math problem. Can you help us?

A．work out

B．put up

C．prepare for

2 . —Many people are used to parking their e-bikes inside the building.
—That’s very dangerous. The government has ________ some policies (政策) to stop this.

A．worked out

B．carried out

C．broken out

D．taken out

3 . Cindy felt very happy because she ________ the difficult math problem by herself.

A．worked out

B．found out

C．put out

D．care for

4 . Physical work plays an important role in developing students’ view of the world and life. That’s why we need to ________ labour education at school.

A．work on

B．work out

C．carry on

D．carry out

5 . —Jenny is ________ the difficult math problem.
—I’m sure she’ll ________.

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

6 . These problems are too difficult to ________. I think we need some help from our teacher.

A．cut up

B．work out

C．keep away

D．hand out

7 . ________ and always be careful when you cross the street. Don’t put yourself in danger.

A．Find out

B．Look out

C．Work out

8 . Think it over, and you will be able to ________ the math problem.

A．look out

B．get out

C．work out

9 . Life is a journey with trouble, but we can ________ any problem with courage and wisdom.

A．work out

B．hand out

C．find out

D．put out

10 . China’s space program has grown greatly in recent years and the astronauts have ________ different kinds of experiments (实验).

A．worked out

B．turned out

C．carried out

D．broke out