UNIT 11 - TRAVELING IN THE FUTURE

1. I think we ____________ have electric taxis very soon.

• may

• might

• will

• would

2. With teleportation, you disappear at a place, and then __________ in another place seconds later.

• appears

• appeared

• reappear

• reappears

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

• expensive

• famous

• difficult

• gridlocked

4. My brother and I often come to school __________ foot.

• at

• in

• by

• on

5. Skycycling tubes will be easy ______.

• drive

• to drive

• ride

• to ride

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

• my

• I

• mine

• of mine

7. We try to make the future green by using vehicles or kinds of energy that are ____________.

• environmentally friendly

• environment friendly

• environmentally friendship

• environmental friendly

8. This is Linda’s hat, and those shoes are ______, too.

• her

• hers

• our

• their

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

• enjoyable

• pleasant

• unpleasant

• comfortable

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

• prevent

• have

• use

• take