1.     Put the verbs in brackets in the correct form.

1.     Thanks to the development of technology, computers (become)       smaller and smaller.

2.     One of the most intriguing questions astronomers and scientists hope (answer) ____________________  one day is whether life exists on other planets.

3.     It is certain that robots (improve)      the quality of our lives.

4.     The Earth seems too small (accommodate___________________________ the increasing population.

5.     Scientists believe that Mars also (experience)     seasons just as the Earth does.

6.     She was cooking dinner when the guests (arrive)      .

7.     He said that he (go) ____________________________  to the beach the next weekend.

8.     They planned (keep) ___________________________  in touch with each

other by using emails.

9.     There is a lot of interest in (do) ___________________________

experiments in the conditions.

10.    We should not (use) ___________________________ our smartphones for more than a few hours every day

      Roger Federer is the best and most famous tennis (1)..........................in the world today. He was born (2).............................. August 8th, 1981 in Switzerland. His parents encouraged him to start playing tennis when he (3).........................  eight years old. He won his first the Wimbledon Junior, when he was sixteen. Over the next few years, he played all over the world. In Australia he played for his country in the 2000 Olympic Games. Then in (4)……………. he began to show how good he was. He started the year by winning two (5).........................in a row, in Dubai and Marseilles. He also won his first: Grand Slam title at the Wimbledon.

1. Last night I called Lan’s house. No one answered the phone.  (BUT)

=> I....................................................................................................................

1. This book is mine book, not your book.

        A          B    C                      D

2. My country is bigger than   yours country.

       A                B                     C         D

3. If they gets up early , they will go to school on time.

                 A         B                       C                  D

4. He might have an great time in Nha Trang.

               A             B             C    D

5. She will passes her examination because she is a good student.

     A              B                   C                              D

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