13. She often goes swimming ______ Sunday mornings. A. at B. on C. in D. over 14. In winter, heating _______ for 50 percent of our electricity bill. A

13. She often goes swimming ______ Sunday mornings.
A. at B. on C. in D. over
14. In winter, heating _______ for 50 percent of our electricity bill.
A. takes B. occupies C. accounts D. costs ( account for: khoảng)
14. Do you know the man ______ over there?
A. stands B. who stand C. stood D. standing
15. If the engine gets too hot, it ______ to smoke.
A. starts B. is starting C. would start D. will start ( vế phụ chia HTD -> câu đk loại 1)
16. The seeds ______ into flour which is used for pancakes, noodles and breads.
A. grinded B. are ground C. are grounded D. ground
17. “Won’t you have something to drink?” ~ “ ______”.
A. I’m sorry, I won’t B. Not for me, thanks C. I’m afraid I can’t D. I’ve no idea
18. When I first met him, he wore ______.
A. a brown nice leather jacket B. a nice leather brown jacket
C. a leather nice brown jacket D. a nice brown leather jacket
19. Those boys are addicted _____ computer games.
A. on B. for C. to D. with ( addicted to smt: nghiện cái gì)
20. Baird produced the first TV picture in 1926, ______?
A. didn’t he B. wasn’t he C. doesn’t he D. hasn’t he
21. “I’m really sorry about that!” ~ “______”.
A. That’s right B. Of course C. You’re welcome D. It’s OK
22. Would you be ______ to hold the door open?
A. too kind B. so kind C. kind enough D. as kind

Cấu trúc nhờ ai giúp đỡ làm gì đó: Would you be kind  enough to V…?
23. She asked me if I ______ any other language.
A. speak B. spoke C. can speak D. would speak
24. We have to start early ______ we won’t be late.
A. so that B. because C. although D. otherwise

Ta có mệnh đề chỉ mục đích với “so that”:
S + V + so that + S + will / can / would / could …+ V1 …