—Mr. Johnson, would you have some more ice-cream?—No, thanks. It’s very good, but I have to ____________ my weight, you know.A watch. B.remain C.notice D.see
--what do you think of the film? ---_____?
Is ____ dangerous to swim in the river alone?
--___do you clean the reading room? ---Every two or three days.
Jane goes to Paris to spend her holiday ____.
–He is a doctor and his brother is a doctor, too. –You mean both he and his brother________ doctors, right?