Swimming is good _____ our health, but at the same time we mustn’t forget the danger．
A． for B． at
C． on D． with
－I think teenagers should not be allowed to get car licenses．
－I agree．They are not _______．
A． serious enough B． something serious
C． nothing serious D． enough serious
---I think students should be allowed ___ homework with friends．
---I disagree．They talk instead of ________ homework．
A． do, doing B． to do, to do
C． to do, doing D． doing, to do
Health is very _____and every student knows the _____of keeping healthy.
A． important ; importance B． important ; important
C． importance ; importance D． importance ; important
Tom, your hair is too long．Would you please get your hair ____?
A． cut B． to cut C． be cut
At last, Kangkang made the baby _______ and began to laugh.
A． stop to cry B． stop crying C． to stop to cry
