I think we........ have electricity taxis very soon. A. may B. might C. will D. would
C
15
With teleportation, you disappear at a place, and then ............ in another seconds later. A. appears B. appeared C. reappear D. reappears
C
20
Everyday over 1000 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
D
15
My brother and I often come to school ...... foot. A. at B. in C. by D. on
D
10
Skycycling tubes will be easy ......A. drive B. to drive C. ride D. to ride
B
15
The white cat is Helen's, and the black cat is ........... A. my B. I C. mine D. of mine
C
25
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
A
20
This is Linda's hat, and those shoes are .......... too. A. her B. hers C. our D. their
B
15
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
C
10
A sky safety ystem can help cars to........... traffic jams and crashes. A. prevent B. have C. use D. take
A
5
People won't use flying cars ........... the year 2050. A. before B. after C. during D. until
D
10
Is .............. the most serious problem? A. pollution B. polluted C. pollute D. pollutant
A
20
We believe that urban transport pods can travel.... around 30kph. A. with B. at C. in D. on
B
25
Do you think the ..... price will increase next month? A. fossil fuels B. gases C. fuel D. natural gases
C
20
We will use more... energy in the future. A. solar B. sunny C. sun D. sunlight
A
10
A jet pack doesn't....... a lot pf space. A. have B. bring C. take D. occur