—Doctor, ____________should I take this medicine?—Twice a day.A. what time B. how much C. how often
We are going to Beijing. Can you _______________when the train will leave ?
He is__________ outgoing student from _________ university in America.
— Could you tell me ____ ?— Certainly. In half an hour.
Success will belong to those ___ never say “impossible”.
It is said that ____ young people may lose the abilities to hear after five years if they listen to MP4 players which are too loud for more than five hours a week.