1. A. recycle                        B. environment        C. charity                   D. invite

2. A. paper                           B. bag                        C. plastic                    D. natural

3. A. cousin                          B. cycle                     C. encourage             D. container

4. A. breathing                     B. green                     C. breeze                    D. bread

5. A. saved                           B. polluted                C. enjoyed                 D. reused

6. A. machine                       B. hi-tech                   C. locate                    D. cable

7. A. watched                        B. dropped                C. washed                  D. traveled

8. A. notebook                      B. hoping                   C. cock                       D. potato

9. A. space                           B. draw                      C. automatic             D. more

10. A. cheap                         B. machine               C. watch                    D. children

11. A. robot                           B. role                        C. coffee                    D. comb

12. A. minor                          B. simple                   C. recognise              D. climb

13. A. planet                         B. station                   C. space                     D. face

14. A. dressed                       B. stepped                 C. talked                    D. played

Rewrite the following sentences without changing the meaning.

1. if you don't study harder, you won't pass the exam.

- Unless  .......................................................................

2. I advise you not to arrive late at the meeting.

- You .................................................................

- Our class ........................................................................................

^{_{1.    ………………  ( Mary / go ) camping next Sunday ? - Yes.}}

^{_{2.      My father ( not drink ) .........................................................beer very often.}}

^{_{3.      I ( be ) ...............................busy last night, so I ( miss ) ........................................a good film on TV.}}

^{_{4.      My best friend ( come ) ............................................to visit me next Sunday.}}

^{_{5.      He  ………………………..…. (go) to school on foot yesterday.}}

^{_{6.      Look! A man ………………….…….(run) after the train}}

^{_{7.      She …………………..…….(go) to school everyday}}

^{_{8.      Let's …………………….(meet) him on the corner of this street.}}

^{_{9.      ………..… he ………….(do) morning exercises now?}}

^{_{10.   Nam  often ( watch)  ………………………………. in the evening..}}

^{_{11.   If it  is nice tomorrow., we ( go) …………………………… on a picnic.}}

^{_{12.   They might not ( have) …………………………… a meeting next week}}

^{_{13.   The weather is not very good. It might (rain) ………………………… this afternoon.}}

^{_{14.   In the future, wireless TVs (surf) …………………………. the Internet, send and receive our e-mail.}}

^{_{15.   If he (not hurry) ………………………….., he will be late for his English class.}}

^{_{16.   He (not go)………………………….fishing yesterday.}}

^{_{17.   Robots may (work)…………………………as a guard when we’re away.}}

^{_{18.   If we recycle more, we (help) ……………..........  the Earth.}}

^{_{19.   Last year, we   (be)…………………………………….very happy}} 

^{_{20.   My dad (play) …………………………… a lot of tennis some years ago.}}

^{_{21.   Don’t (eat) ……………………………….. too much salt. It’s not good for you.}}

^{_{22.   What is the (wet) ………………………. month of the year in Viet Nam?}}

^{_{23.   I (not be) ………………………… very happy yesterday.}}

^{_{24.   If the weather  (be) …………… fine , we (plant) …………………some young trees in our garden. 25. We should (recycle)……………….used paper to protect the environment}}

^{_{26.  We (do) ………………………… this for you if you want.}}

^{_{27.  If we (need) ……………………………….. some help, we will ask.}}

^{_{Giúp tớ vs ạ!! Tớ đang cần gấp ạ!}} 

15. A. shout                           B. could                     C. house                     D. down

16. A. happen                        B. family                    C. father                     D. rapid

17. A. dream                         B. teacher                  C. stream                   D. bread

18. A. drunk                          B. drug                       C. fruit                        D. unhappy

19. A. changes                      B. causes                    C. noises                    D. makes

20. A. smile                           B. finish                     C. kitchen                  D. miss