1 . 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

2 . Our teacher ________ our mistakes quickly and asked us to correct them at once.

A．worked out

B．pointed out

C．put down

D．waited for

3 . Tom太聪明了，解答了这道数学难题，取得了班里最高分。
Tom was ________ ________ to ________ ________ the difficult maths problem and got the highest mark in his class.

4 . 我希望下周所有的事情都能顺利解决。
I hope all the things will ________ ________ smoothly next week.

5 . 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

6 . 这道题目虽然看起来容易，实际上很难解决。
________ the problem seems easy, it’s hard to ________ ________ in fact.

7 . It’s difficult for him to solve the problem. Why don’t we give him a hand?

A．work out

B．look out

C．write down

8 . I’m sorry to tell you that we have to stop the car because the oil has ________.

A．sold out

B．run out

C．come out

D．worked out

9 . —Who is your favorite teacher?
—Mrs. Lee. She always helps me           the problems.

A．work out

B．come out

C．give out

10 . 他想出的主意很奏效。
The ideas that he _________ ________ _________ __________ __________ __________.