____Lily ___Lucy can go with you , because one of them has to stay here to look after their mother
A.Either ; or B. Neither ; nor C. Both ; and D. Not only ; but also
It`s not easy _______ Chinese students _______English well.
A. of, to learn B. for, learning
C. of, learning D. for, to learn
Mother told her son _______do that _______
A. don’t, any longer B. to not, no longer
C. not to, any more D. doesn’t, no more
Who saw it ______ at that time?
A. happen B. happened C. happen
s
D. to happen
More and more people have realized that we won’t have cleaner water to drink unless something _______soon.
A. is done B. was done C. will be done D. to be done
We have to ____the sports meeting till next Friday because of the bad weather
A. put up B. put away C. put on D. put off
