As a result of the survival training in the wild, the students ________ of their social responsibilities．

A．came to a better understanding

B．came to a conclusion

C．came to a decision

D．came to an agreement

Tom is ________ collecting stamps．

A．involved

B．involved in

C．involving

D．involving in

Local residents have ________ angrily to the news．

A．answered

B．reacted

C．refused

D．objected

－Smoking is bad for your health．

－Yes, I know．But I simply can't ________．

A．give it up

B．give it in

C．give it out

D．give it away

What shall we use for power when all the oil in the world has ________?

A．given out

B．put out

C．held up

D．used up

The doctor had almost lost hope at one point, but the patient finally ________．

A．pulled out

B．pulled through

C．pulled up

D．pulled over

Most of us know we should cut down on fat, but knowing such things isn't much help when it ________ shopping and eating．

A．refers to

B．speaks of

C．focuses on

D．comes to

Mike didn't play football yesterday because he had ________ his leg．

A．damaged

B．hurt

C．hit

D．struck

Some people like drinking coffee, for it has ________ effects．

A．promoting

B．stimulating

C．enhancing

D．encouraging

Students should be encouraged to finish their homework ________．

A．of themselves

B．of their own

C．for their own

D．on their own