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

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

2.It will be ____________ to ride a jet pack in bad weather because it doesn’t have a roof
A.comfortable     B.pleasant     C.unpleasant     D.enjoyable
3.A sky safety system can help cars to _____________ traffic jams andcrashes.
A.use          B.have         C.prevent        D.take
4.The white cat is Helen’s, and the black cat is ________________.
A.I         B.my     C.mine       D.of mine
5.We try to make the future green by using vehicles or kinds of energy that are _________.
A.environmentally friendly        B.environment friendly        C.environmentally friendship        D.environmental friendly
6.Skycycling tubes will be easy_____________.
A.ride      B.to drive        C.drive      D.to ride
7.I think we ______________ have electric taxis very soon.
A.may       B.might      C.will        D.would
8.With teleportation, you disappear at a place, and then _________ inanother place seconds later.
A.reappear           B.reappears          C.appears       D.appeared
9.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.difficult             B.famous            C.expensive     D.gridlocked
10.My brother and I often come to school ___________ foot.
A.at     B.in     C.by      D.on

11.With the Segway, the driver pulls the handle to go back or pushed it to go_________.

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

12.The Segway, which is a ____________ vehicle, will be a success.

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

13.Do you think the _____________ price will increase next month?

A.gases         B.fossil fuel         C.fuel         D.natural gases

14.People won’t use flying cars ____________ the year 2050.

A.after         B.before          C.during        D. until

15.Which _______________ of transport do you think will be used in the future?

A.mean             B.means           C.meanings          D.meaning

16.A jet pack doesn’t ____________ a lot of space.

A.occur          B.bring          C.take     D.have

17.The city is facing serious _____________ problems.

A.pollution       B.polluted        C.pollute       D.pollutant

18.We will use more _____________ energy in the future.

A.sun         B.sunny           C.solar          D.sunlight

19.We are looking for types of vehicles that help us to avoid ____________.

A.walking            B.traffic jams           C.rush hours             D.traffic

20.We believe that urban transport pods can travel __________ around 30kph.

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