Mọi người giải giúp mình với (cóa gì ghi giùm mình lời giải thích với nhen)Mình cảm ơn 1..the cities do not provide better and cheaper mass transport, the traffic problem will get worse.

A. If

B. Even though

C. So that

D. Before

2 steamboats didn't replace sailing vessels on the high seas …later in the 1860s

A until

B although

C because

D unless

3 A battery is a device...electricity by chemical means

A. What produces

B. produces

C. that produce

D. which produces

4 ..he had read the instructions many times, he knew what to do.

A whereas

B. after

C. until

D. while

5 She turned off the record player she could study.

A. incase

B.now that

C. so that

D. even if

6  ________ of all modern domestic poultry is the red jungle fowl is widely believed.

   A The ancestor

  B The ancestor is

  C How the ancestor

   D That the ancestor

7 one basic question psychologists have tried to answer is….

A people learn

B how do people learn

C people learn how

D how people learn

 Mọi người giúp mình với   31. He was very disappointed when his application for the job was turned ….. . A. up B. down C. on D. out

32. She often ……her cousin to look after the cat when she is away. A. makes B. lets C. gets D. keeps                                                                                  33. My brother has been known …….a talented sportsman. A. for B. as C. about D. from                                                                                                   34. Only by working hard ……your goal. A. you can achieve B. will help you achieve C. can you achieve D. you will achieve                                                   35. Of the three students, Mary gained ……mark. A. a lower B. same C. a higher D. the highest                                                                                           36. “ I’m sorry for being late ”. – “ ………” A. Yes, that’s right. B. Of course, not. C. You’d better not do it again. D. That’s for sure.n                                        37. The new traffic law ……it safer and easier for cyclists. A. finds B. makes C. lets D. leaves                                                                                                 38. “Would you mind opening the window, please ?” – “ …….” A. Go ahead B. You are very welcome. C. No problem. D. Your apology is accepted.                 39. The boy band made a profit of $140.000 from their hit song, ……went to charity organizations. A. much B. half of which C. that D. which of                     40. This is the third time James ….the volunteer program to the village. A. joins B. joined C. has joined D. has been joining                                             41. The children are fond of ……to the New Year party, and they don’t mind …..there till midnight. A. inviting / keeping B. invite / keep C. be invited / stay D. being invited / being kept