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题型：单选题
In communication, a smile is usually _____ strong sign of a friendly and _____ open attitude.
- A.
the; /
- B.
a; an
- C.
a; /
- D.
the; an
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题型：单选题
The thief broke in, trying to open the safe but ________.
- A.
in no way
- B.
in vain
- C.
without effect
- D.
at a loss
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题型：单选题
He has several reference books ________ dictionaries and handbooks.
- A.
such as
- B.
namely
- C.
that is
- D.
for example
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题型：单选题
The hotel ________ we stayed was both cheap and comfortable.
- A.
which
- B.
that
- C.
by where
- D.
at which
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题型：单选题
They met at the same place ________ they parted two years before.
- A.
where
- B.
when
- C.
which
- D.
that
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题型：单选题
This machine ________ I have been looking after for 20 years, is still working perfectly.
- A.
that
- B.
which
- C.
for that
- D.
at which
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题型：单选题
Sunday is a hoilday ________ people do not go to work.
- A.
where
- B.
because
- C.
when
- D.
which
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题型：单选题
从A、B、C、D中找出其划线部分与所给单词的划线部分读音相同的选项。fork
- A.
worth
- B.
forget
- C.
form
- D.
worse
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题型：单选题
________! There is a car coming this way.
- A.
Look up
- B.
Look out
- C.
Look at
- D.
Look on
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题型：单选题
Cotton ________ easily. So no one is allowed to smoke here.
- A.
catches fire
- B.
makes a fire
- C.
sets fire
- D.
on fire
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