（2014山东省实验中学高三第二次模拟考试）8．By the time Mr．Jarvis ___________ college，he had been running his own company for a few years．
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A
started
B
had started
C
has started
D
would start
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I had a discussion with Mr. Baker and hoped he _________ us an early reply.
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A
would give
B
give
C
gave
D
had given
Although he is only 14 years old, he __________drugs for two years.
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A
addicts
B
has addicted to
C
has addicted
D
has been addicted to.
It seems that oil______from this pipe for some time.We’ll have to take the machine apart to put it right.
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A
had leaked
B
is leaking
C
leaked
D
has been leaking
Tom killed the cat. I’ll ask him why _______.
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A
he did that
B
did he do that
C
he does that
D
he had done so