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题型：单选题
I am told that her father is in London and ______ a dry-goods store.
- A.
has kept
- B.
kept
- C.
keeps
- D.
had kept
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题型：单选题
_______, the disease diphtheria would produce a powerful poison that would kill the paient.
- A.
If untreated
- B.
If it untreated
- C.
To be untreated
- D.
If being untreated
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题型：单选题
The boy was saved because the doctor arrived there _____ it was too late.
- A.
before
- B.
since
- C.
or
- D.
while
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题型：单选题
Without the teahcer’s help, I ___ the exam.
- A.
won't pass
- B.
wouldn't pass
- C.
wasn’t to pass
- D.
wouldn’t have passed
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题型：单选题
Have you ever been to Mount Huangshan, ___________is famous for its pine forests and "sea of clouds"?
- A.
what
- B.
where
- C.
that
- D.
which
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题型：单选题
Please ______ the traffic regulations
- A.
observe
- B.
take
- C.
see
- D.
look
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题型：单选题
It is careless ________ the same mistake in your composition.
- A.
for you to make
- B.
for you making
- C.
of you to make
- D.
of you making
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题型：单选题
Don’t hesitate ______me if you have any questions.
- A.
asking
- B.
asks
- C.
to ask
- D.
asked
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题型：单选题
The scientist _____ Canada and he will give us a talk when he _____ back.
- A.
has gone to/comes
- B.
has been to/will come
- C.
has gone to/will come
- D.
has been to/comes
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题型：单选题
You will _______ your health if you work so hard，eat a little food and sleep badly．
- A.
fail
- B.
improve
- C.
help
- D.
endanger
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