Question 13: That student knows how to protect himself ______.

A. more effective B. much effective C. many effectively D. more effectively

-> effective là adj, cần chuyển thành adv(thêm đuôi -ly) sau verb

more + adj/adv(2 âm tiết trở lên) : so sánh hơn

Question 14: Jack composed some very nice songs, ______ he?

A. didn’t B. did C. does D. doesn’t

-> tag question(câu hỏi đuôi) 

mênh đề chính(Jack composed some very nice songs) là khẳng định thì phần câu hỏi đuôi(didn't he)là phủ định

Question 15: My parents always encourage me not to give ______ my dreams.

A. out B. up C. in D. for

-> give up: từ bỏ

Question 16: Learning English needs more time. ______, you cannot master it overnight.

A. So B. But C. Therefore D. However

-> Therefore: vì thế

Question 17: “______” - “ Yes, I’d like some information about trains, please.”

A. How can I help you? B. May I help you? C. What can I do for you. D. All are correct.

-> A. Tôi có thể giúp j cho bạn

    B. Tôi có thể giúp j ko

   C. Tôi có thể làm j cho bạn

Question 18: English is a ________ easy language for Swedes to learn.

A. comparative B. comparation C. comparatively D. comparing

-> adv

Question 19: Cotton is one popular fiber that ______ clothes.

A. used to make B. is used to making C. used to be made D. is used to make

-> câu bị động hiện tại đơn: S + is/are + V phân từ 2

Question 20: We missed the first bus to the station but _______ we got there just in time for the last train.

A. luckily B. unluckily C. lucky D. unlucky

-> dùng adv khi ở đầu câu 

Question 21: The tour guide told them ______ trash on the water.

A. not throw B. not to throw C. to throw not D. not throwing

-> tell somebody (not) to do something : yêu cầu ai làm j đó

Question 22: I can’t understand the Chinese visitors. I wish I ______ Chinese.

A. knew B. will know C. know D. have known

-> S + wish + S + V ( quá khứ đơn) : ước 1 sự việc ở hiện tại

Question 23: When we came to his house, he______ for the exam.

A. was studying B. studied C. is studying D. studies

-> quá khứ tiếp diễn : diễn tả 1 sự việc đang xảy ra trong quá khứ 1 hàng động khác ( quá khứ đơn) xen vào

Question 24: Most of the people listen to music so as to ________ stress.

A. save B. keep C. reduce D. waste

-> giảm bớt