Ex 4. Choose the best answer to complete each sentence. (5.0 pts)

1.      Gas, coal and oil are ___________source.

     A. non- renewable                     B. renewable                    C. available        

2. _____ energy is produced by collecting sunlight and converting it into electricity.

           A. Solar                                  B. Nuclear                                        C. Wind  

3. An is a hard-working student. I think An___________ pass the exam easily.

                 A. would                B.  has             C. will

4. We will go on holiday with some friends of __________.

             A. ours                                    B. our                        C. we                          

5. By the middle of the 21st century, people in developing countries _______more renewable energy.

                    A. use                     B. will be using               C. used

6.It’s difficult to _______ a bike up to the hill

                 A. fly                B. drive                   C. pedal        

7. A ______ car is a car without drivers

          A. driverless          B. flying  car              C. slidewalk

8. They  ________ an English test tomorrow. We don’t disturt them

     A. have                   B. will have                             C. has             

9. We should put________on our roof for the heating and hot water.

A. solar energy        B. equipment                   C. solar panels

10. My brother and I often come to school    _________foot

              A. at                            B. by                  C. on

11. Several governments try to_________the use of fossil fuels.

           A. reduce                B. save                    C. waste               

12.  The sun and the wind are  ____________sources of energy.

                A. alternative                   B. renewable             C. non-renewable

13. A hydropower station _____________in the North of the country next year                    

             A. will be built                      B. will be building           C. will build

14.Hydro power is _____________ because dams cannot be built in certain areas.                                                     

          A. enough                 B. limited                   C. abundant  

15.Many countries are developing high- speed trains as part of their public  .______system.

      A .carrying                        B. travelling                            C.  transport  

16. Hang: “Why don’t we go to work by flying car ?”               Tan: “_________”

             A. That sounds interesting!     B. I am so so                C. 

17. Peter: “How far is it from here to the hydro power station?”

     Linda: “ _________”

           A. It’s quite long               B. About 3 kilomiters    C. Turn left. It’s on your right     

18. Hung: “Let’s go to the carnival by driverlesscar.”

    Minh: “ _________”.

              A. No, thanks                         B. You are welcome               C. Great idea!            

19. Peter: “I’m going to have a trip to Ha Long Bay after the exam.”

   Linda: “_________”

             A. It’s nice of you.     B. Have a nice time.                            C. Yes, I’d love to. 

20. Kendy : “Hi, Bill. Congratulations !”             Bill “___________.”

             A. You’re welcome.         B. My pleasure                C. Thank you