Some of you may have finished Unit One.________，you can go on to Unit Two.
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A
If you may
B
If you do
C
If not
D
If so
推荐题目
So difficult __________it to live in an English-speaking country that I determined to learn English.
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A
I have felt
B
have I felt
C
I did feel
D
did I feel
Though ____ the dangers of smoking to their health, smokers still find it hard to give up smoking.
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A
aware
B
aware of
C
are aware of
D
be aware of
_______ homework did we have to do that we had no time to take a rest.
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A
So much
B
Too much
C
Too little
D
So little
If a healthy environment is gone, ________ everything that our life depends on.
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A
so is
B
nor is
C
so does
D
nor does
________ to come over to have a talk with him in those days.
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A
Seldom did I have time
B
I had seldom time
C
Seldom had I time
D
Had I seldom time