Choose the correct answer:
............... have announced that a major breakthrough has been made.
A.Researchs
B.Researchings
C.Researcher
D.Researchers

Choose the correct answer:
This mistake by scientists caused a massive explosion.
A.resulted in
B.resulted from
C.led into
D.led from

Choose the correct answer:
Many lives were saved............. the introduction of antibiotics.
A.into
B.at
C.with
D.in

Choose the correct answer:
Do you mind if I just................ a quick phone call from here?
A.do
B.take
C.have
D.make

The newspaper is ................ read by both teenagers and adults. (wide)
A.widen
B.widely
C.widening
D.widened

Choose the correct answer:
There was explosion in technology.......... the beginning of the 20th century.
A.in
B.at
C.through
D.on

Choose the correct answer:
I’ll just............... you through to our research department. Please hold on.
A.go
B.get
C.put
D.bring

Choose the correct answer:
Alex’s electricity was cut............... because he forgot to pay the bill.
A.down
B.into
C.off
D.at

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