Đáp án: The cost of living has been going up considerably in the past few weeks.

5. The cost of living has been increasing considerably in the past few months ( up )

………The cost of living has gone up considerably in the past few months ………………………………………………………………………………………………………

6. We should reduce the amount of garbage. We can help to protect the environment. ( so that )

…………We should reduce the amount of garbage so that we can help to protect the environment……………………………………………………………………………………………………

7. We finished all our homework. We played some games of chess. ( before )

………… We had finished all our homework before we played some games of chess. ……………………………………………………………………………………………………

8. Hoa is 10 years old. Her elder sister is 15 years old.     ( older )

……Hoa's sister is older than her…………………………………………………………………………………………………………

10.  I am going to the cinema with my friend this weekend to see the latest 6D Ocean Explore film. (in order that)
……………………… I am going to the cinema with my friend this weekend  so that I can seethe latest 6D Ocean Explore film.………………………………………………………………………………………

John and his father are exactly alike in appearance. (LOOKS) 

→ John  looks like his father.

What are you thinking at the moment?  (MIND) 

→ What's    on your mind at the moment 

The cost of pork has been increasing considerably in the past few months (UP) 

→ The cost of pork has been going up considerably in the past few months

I have no idea when I should take that English test. (TO) 

→ I don't  know when to take that English test.

As far as I know, he is still working in Ho Chi Minh City. (KNOWLEDGE) 

→ To ____ my knowledge, he is still working in Ho Chi Minh City._  

Giải thích: in the past few years -> Dấu hiệu của thì HTHT

Đáp án  C

13. The cost of living has gone up considerably the last few years => in the last few years

               A                         B                C                        D

14.I think your garden needs to weed and you had better do it right now => weeding

          A                                       B                             C                     D

15.Can you tell me where that apples over there come from? => those

Find a mistake in the four underlined parts of each sentence.

13. The cost of living has gone up considerably the last few years

               A                         B                C                        D

14.I think your garden needs to weed and you had better do it right now

          A                                       B                             C                     D

15.Can you tell me where that apples over there come from?

13. The cost of living has gone up considerably the last few years => in the last few years

               A                         B                C                        D

14.I think your garden needs to weed and you had better do it right now => weeding

          A                                       B                             C                     D

15.Can you tell me where that apples over there come from? => those

30. A. generation gap      B. multi-generational          C. responsible         D. different

31. A. increases              B. increased              C. has increased             D. have increased

32. A. not only                 B. either                   C. neither                 D. both

33. A. disadvantages               B. differences                C. benefits               D. profits

34. A. intended                         B. extended                  C. large                 D. nuclear

1 the last few years => in the last few years

2 best-known => most well-known

3 didn't drive - hasn't driven

4 much => more 

5 now => then

6 was it => it was

7 did happen => had happen

8 interested => interesting

9 resonable => reason

10 happy => happily

11 considerable => considerably

12 really => real

13 alike => like

14 go => went

15 has told => told

16 is => was

17 at => after

19 off => on

20 at => in

21 The (cost of) living has (gone up) (considerably) (the last few years).

the last few years -> in the last few years.
 22 (He) is the (best-known) author I have (never) (heard of).

never -> ever
 23 Tom (didn't drive) a car since he (had) an (accident) two (years ago). 

didn't drive -> hasn't driven
24 My father (asked) me (to pay) (much attention) to English (next year) 

much attention -> more attention
25 He (said) that he was riding (his bike) (on the way home) (now). 

now -> then
26 I (asked) him how far (was it) to the station (if) I went there (by taxi). 

was it -> it was
27 They asked me (what did happen) (last night), but I was (unable to tell) (them). 

what did happen -> what had happened
28 My family (spent) an (interested holiday) (in) Europe (last summer). 

interested holiday -> interesting holiday
 29 Children always (want) to know the (resonable) why (things) are as they (are).

reasonable -> reasons
 30 The students (laughed) (happy) when they (saw) the monkeys (eating) banana. 

happy -> happily
31 (The) number of (visitors) to the (exhibition) dropped (considerable) in thesecond week.

considerable -> considerably
 32 What is (the most) (important) thing (in) (really) life? 

really -> real
33 Harry, (alike) his colleagues, (is) trying (hard) to finish his work (early).

alike -> like
 34 Lam and (his) (friends) (often go) to the cinema to (enjoy) the new films last year.

often go -> often went
 35(The) boss laughed when the secretary (has told) him that she (really) (needed) a pay rise. 

has told -> had told
36 She (is) singing and dancing (merrily) when (the doctor) called (to see) her.

is -> was
 37 (What a pity) I have to (look at) my little brother, so I (can't go) to the cinema(tonight).

look at -> look after
 38 (What a pity) I have to (look at) my little brother, so I (can't go) to the cinema(tonight). 

look at -> look after
39 (Do) you (mind) if I turn (off) the TV? I want to watch the (news). 

off -> on
40 The (official) delagation (will) arrive (at) Geneve (next) Monday.

at -> in