I had to drive to the factory to pick up my brother, who's car wouldn't start.
A.had to
B.to
C.to pick up
D.who's

You'll hardly recognize our house. It has redecorated since your last visit.
A.hardly
B.has redecorated
C.since
D.last visit

Mike always remembers parking in the garage so that the driveway is free for other cars.
A.parking
B.so that
C.for
D.other cars

__________(56)
A.which
B.that
C.who
D.both a and b

__________(57)
A.each
B.every
C.some
D.many

_______(59)
A.die
B.injure
C.damage
D.hurt

Why does the author use "prefer robots" in paragraph 5?
A.To show the importance of robots in production.
B.To encourage the workers to resign from work.
C.To compare the robots with the workers.
D.To emphasize the scientist's role in inventing robots.

The word "This" in paragraph 3 refers to __________________.
A.the possible war
B.the cash crop planting
C.the serious shortage
D.the demand for water

The audience ............out laughing when the singer fell over.
A.called
B.shouted
C.burst
D.broke

We can conclude from the passage that in 2050 ________________.
A.people will be able to travel around the world in two hours
B.fewer cars will be used to keep the environment green and clean
C.no one will be injured or die because of accidents
D.space planes will take the place of cars as a means of transport