By the time Jack returned home from England, his son _______ from college.
#100009
A
graduated
B
has graduated
C
had been graduating
D
had graduated
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I had a discussion with Mr. Baker and hoped he _________ us an early reply.
#99796
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