Choose the correct answer:
Scientists are trying to................ out ways to reduce pollution from aircraft.
A.get
B.come
C.find
D.work

Choose the correct answer:
A lorry had............ down on the motorway and we had to wait for over an hour.
A.broken
B.got
C.gone
D.taken

Choose the correct answer:
We had our car serviced and it seems there’s a problem with the..................
A.machine
B.motor
C.generator
D.engine

Choose the correct answer:
I’ve............. it in at the mains but it still doesn’t seem to work.
A.worked
B.turned
C.narrowed
D.plugged

I spent my happy ..................... in the countryside. (child)
A.childhood
B.childless
C.childishly
D.childishness

Choose the correct answer:
I’m afraid the problem with your washing machine is the...................
A.engine
B.motor
C.electricity
D.technique

Choose the correct answer:
At the start of 20th century, it became............. that science was becoming more complicated and more expensive.
A.clear
B.TRUE
C.accurate
D.actual

People sometimes close their eyes when they listen to classical music in order to............
A.understand it clearly.
B.think about the design.
C.form the picture of the design in their mind.
D.hear the same classical music many times.

Choose the best option to make the correct sentence from the suggested word.
Fob Dylan/ musician/ who/ compose/ born/ American/ 1941/ Minnesota.
A.Bob Dylan, who is a composer and an American musician, was born in 1941 in Minnesota.
B.Bob Dylan is an American composer and musician who was born in Minnesota.
C.Bob Dylan, an American composer and musician, who was born Minnesota in 1941.
D.Bob Dylan who is an American composer and musician was born in 1941 in Minnesota.

________(5)
A.since
B.for
C.yet
D.how long