Exercise. Choose the correct option A, B, C or D to complete the sentences.

1.The Segway, which is a                 vehicle, will be a success.

A. two-wheels    B. two wheels                  C. Two wheel                  D. two-wheeled

2.Which the Segway, the driver pulls the handle to go back or pushes it to go____.

A. forward           B. backward                    C. round                           D. fly

3.I think we                have electric taxis very soon.

A. may                  B. might                           C. will                              D. would

4.With teleportation, you disappear at a place, and then____in another place seconds later.

A. appears           B. appeared                     C. reappear                      D. reappears

5.Every day over 1,000 new cars add to the city and the city of over 20 million people is getting more and more                    .

A. expensive       B. famous                        C. difficult                       D. gridlocked

6.My brother and I often come to school                          foot.

A. at    B. in          C. by                                                                           D. on

7.Skycycling tubes will be easy                 .

A. drive                B. to drive                        C. ride                             D. to ride

8.The white cat is Helen’s, and the black cat is              .

A. my B. I            C. mine                            D. of mine

9.This is Linda’s hat, and those shoes are                        .

A. her                   B. hers                              C. our                              D. their

10.It will be                to ride a jet pack in bad weather because it doesn’t have a roof.

A. enjoyable        B. pleasant                       C. unpleasant                D. comfortable

11.A sky safety system can help cars to                traffic jams and crashes.

A. prevent            B. have                             C. use                              D. take

12. Have you got _______pen, or would you like to borrow _________?

A. your-mine                         B. yours-my                          C. yours-mine

13. Jane’s voice is good. ______is good, too.

A.I                                           B. my                                      C. mine

14.______ cat is adorable.______is adorable too.

A. Your-Mine                       B. Your-Mine                        C. yours-mine

15. My face looks like _______face.

A. she                                     B. her                                      C. her

16. it’s not _____fault. It’s _______

A. your-mine                         B. yours-mine                       C. yours-mine

17. Jim’s car was parked here. _______parked _______car here too.

A. I-mine                                B.I – mine                              C.my-mine

18. I know Louis is _________friend. He’s also a friend of_________

A. your-my                            B. your- I                               C. your-mine

19. I lost my pencil. Can I have one of ______?

A. your                                   B. you                                     C. yours

20. This is not _______car. __________is black.

A. my- my                              B.my-mine                             C.my –I