Choose the answer among A, B, C, D to complete each of the sentences below:
The discovery was a major___for research workers.
A.breakthrough
B.break-in
C.breakout
D.breakdown

Choose the answer among A, B, C, D to complete each of the sentences below:
The process of ___ Jackson from a talented teenager into a franchise player.
 
A.converting
B.altering
C.transforming
D.exchanging

Choose the answer among A, B, C, D to complete each of the sentences below:
They were among the first companies to exploit the ______ of the Internet.
A.ability
B.possibility
C.prospect
D.potential

Choose the answer among A, B, C, D to complete each of the sentences below:
Let's hope that the new year will _____ in a period of prosperity for everyone.
A.admit
B.usher
C.show
D.introduce

Choose the answer among A, B, C, D to complete each of the sentences below:
Factories are not allowed to pump their industrial___________into the sea.
A.rubbish
B.litter
C.garbage
D.waste

Choose the word or phrase A, B, C or D that best completes the sentence or substitutes for the underlined word or phrase.
My friend Dave was really interested in my best stamp, so I _____ it away to him
A.put
B.threw
C.brought
D.gave

Choose the answer among A, B, C, D to complete each of the sentences below:
The post office offers the ______ Mail Service which is particularly fast.
A.Express
B.Efficient
C.Reliable
D.Secure

Choose the answer among A, B, C, D to complete each of the sentences below:
I find mending old socks incredibly _______, that's why I always ask my mother to do it for me.
A.tedious
B.furious
C.hilarious
D.recreational

Choose the answer among A, B, C, D to complete each of the sentences below:
John ________ knowledge from many of his life experiences to his work.
A.applied
B.approved
C.accomplished
D.appreciated

Choose the answer among A, B, C, D to complete each of the sentences below:
_______ we work with her, we get confused because of her fast speaking pace.
A.Whenever
B.Although
C.Lest
D.So that