______(73)
A.which
B.to
C.that
D.the

Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
We should quickly find a solution to the problem. Otherwise, its impact on those concerned will increase.
A.If we can solve this problem soon, we will lower the impact on all of our concerns.
B.The sooner we find a solution to the problem, the lower the impact it has on those concerned.
C.If all those concerned lower their impact, the problem will be better solved.
D.By the time we solve this problem, the impact on those concerned will have been lower.

Mark the letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
It seems to me that we’ve taken the wrong train.
A.The trained turned out to be not the one we were supposed to have taken.
B.There is no chance that we’ll catch the train that we’re supposed to.
C.I have a feeling that this train is not the one we should be on.
D.I wish we had been more careful and taken the right train from the station.

Mark the letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
The only members of the cat family that can roar are lions, leopards, tigers and jaguars, but lions are by far the loudest.
A.Lions, leopard, tigers and jaguars are the only four cats that can roar; however, the others can’t roar as loudly as lions.
B.Like leopard, tigers, and jaguars, lions are among the members of the cat family that can roar.
C.Lions, leopard, tigers and jaguars can roar, however the roar of a lion is not as frightening as that of the others.
D.Since lions come from the same cat family as leopards, tigers and jaguars do, they can roar as loud as the others.

_______(71)
A.can
B.could
C.would
D.must

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
By the time the software _______ on sale next month, the company ______ $2 million on developing it.
A.went – had spent
B.will go – has spent
C.has gone – will spend
D.goes – will have spent

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
Pat, put all your toys away _______ someone slips and falls on them.
A.otherwise
B.in case
C.provided that
D.so long as

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
They have signed an agreement to protect the forests _______ all over the world.
A.being cut down
B.that cut down
C.which are cut down
D.are being cut down

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
He was accused to theft, but then he ______ as the real thief confessed to the police.
A.appeared in broad daylight
B.cleared his name
C.kept it up his sleeve
D.caught himself red-handed

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
_______ Steve to help, I’m sure he would agree. He is so kind a person.
A.Even if you asked
B.If you ask
C.Were you to ask
D.Should you ask