—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
-----Did you remember to pay the telephone bill? ------The telephone bill? ______.
There is a 20 minute parking _____ here, so we must get back to the car very quickly.
Radium salts, which have been found to _____ in bones, give rise to cancers of the bone.
It has been laid down that each student must _____ a composition to the teacher once a week.
I shall take you back to Beijing _____ you are well enough to travel.