—May I keep your company there?—You may __________.
Miss Smith is a close friend of ___.
Most of the wood ___ to make furniture.
My trousers are too old. I’ll have to buy ___.
40. — I’m afraid I failed in the contest. — _______. At least you tried.
39. _______ is certain, people’s living conditions in China have improved a lot since the 1980s.