V. Complete the sentences with the words in the box.

1.      She is cutting the _____________ with a pair of garden shears.

2.      To go outside the _____________, you must wear a spacesuit!

3.      Earth is the _____________ we live on.

4.      My mother enjoys _____________ and grows her own fruit and vegetables.

5.      _____________ have replaced humans in doing many dangerous tasks.

6.      I have to do my _____________ today. I have no clean pants to wear.

7.      I’ll cook if you do the _____________. Deal? - Deal.

8.      You can see many types of robots at the international _____________.

IV. Complete the sentences with the correct form or tense of the verbs in brackets.

1.      My cousin ____________ (be) in Canada two years ago.

2.      They ____________ (be) to London many times this year.

3.      Tomorrow we ____________ (cycle) around to discover the city.

4.      At the moment I ____________ (stay) at a very nice hotel in the south of France.

5.      When I was younger, we ____________ (not do) much sport at school.

6.      Mrs. Hudson is my maths teacher. She ____________ (teach) for four years.

7.      Last year I __________ (go) on a school trip to Scotland. We __________ (have) a very interesting time.

8.      Could you meet me at the bus station? My bus ____________ (arrive) at six.

III. Choose the correct answer A, B, C, or D.

1.      Scientists believe that fish first ___________ on Earth around 480 million years ago.

            A. appeared                B. is appearing                        C. appears                               D. appear

2.      ___________ is your hand luggage? This one or that one?

            A. What                       B. Who                                     C. Why                                     D. Which

3.      I’m meeting Tom tonight. I think you ___________ him last Christmas.

            A. are seeing               B. saw                                      C. sees                                     D. will see

4.      Teddy is excited about his new laptop. He ___________ about it now.

            A. talks                        B. talked                                  C. will talk                                D. is talking

5.      Mrs. Nga doesn’t have ___________ experience of working as a librarian.

            A. many                       B. much                                   C. the                                       D. an

6.      Look, this is my project. Where is ___________?

            A. you                          B. your                                     C. yours                                   D. you’re

7.      Greg didn’t want to forget his meeting with Dr. Harris, ___________ he put a reminder on his alarm.

            A. or                            B. but                                       C. and                                      D. so

8.      Hoi An is one of the ___________ towns in Vietnam.

            A. old                           B. older                                    C. oldest                                  D. the oldest

9.      Are you coming on Friday? - ___________.

            A. I’m afraid not          B. I’m afraid to                        C. I’m afraid not to                  D. I’m afraid I don’t

10.  What would you like to do at the weekend? - ___________.

A. I like to do a lot       B. I’d like to watch cartoons   C. I can’t stand it                     D. I don’t like that

I. Choose A, B, C, D to indicate the word that has a different stress from the others.

1.      A. other                       B. boxing                                 C. machine                              D. robot

2.      A. repeat                     B. iron                                      C. useful                                  D. able

II. Choose the word that has the underlined part pronounced differently for the rest.

1.      A. city                          B. cycle                                    C. symbol                                 D. bicycle

2.      A. weather                  B. earth                                   C. marathon                            D. healthy

3.      A. hear                         B. idea                                     C. career                                 D. beach

4.      A. school                      B. continent                             C. channel                               D. character

5.      A. remote                    B. popular                                C. cold                                     D. snow

chứng minh với mọi số tự nhiên n thì phân số n+1 trên 2n+3 là phân số tối giản