In 2030.
will deliver most things in less than half an hour.
C. smart screens
B. 3D printers
A. smart walls
D. drones
D. automatic food machine
34. In 20 years from now, I think scientists might be able to print new human body parts using
A. 3D printers
B. drones
C. smart homes
35. Now we drive petrol cars, but in 2040, all transport
electric.
B. is
C. will be
D. have to be
A. was
36. Nowadays, we can use some computers by touching their
A. smart walls
B. screens
C. printers
D. helpers
37. I think technology
A. will
make the world a better place.
C. have to
D. is going to
38. People
B. won't
on Mars someday, but it is too expensive to travel there now.
B. are living
A. live
C. lived
D. will live
39. You should wear
to protect your eyes from the bright sun.
A. towels
B. jackets
C. sunglasses
40. When you visit a new country, you
A. should
B. can't
41. You
A. shouldn't
42. I don't like going
A. hiking
D. tents
try to learn the language.
C. don't
visit the museum today. It's closed at the moment.
B. can't
C. need
D. enjoy
D. needn't
I'm scared of traveling down a river in a thin boat.
D. kayaking
C. trekking
B. swimming
go of the verbs in brackets.