--- Doctor, ________ should I take this medicine? --- Twice a day.
To Chinese students who are learning English, more attention must ______ grammar.
- Oh, you like reading about star signs.- Not really. I read about them______ for fun.
- You can't take both of them.- You mean I can choose_______ this one_______ that one?
- Why didn't you go on a trip with your family?- Well, I wanted to, but I then I gave up that_______.
- Why didn't you buy the dress? The colour looks good on you.-I think it is the quality that ______.