We visited the old woman        a cold winter morning.
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A
in
B
on
C
at
D
of
推荐题目
-_________do you go to school?- I go to school____________.
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A
What; by bike
B
How; by bike
C
How; ride a bike
D
Where; by a bike
The teachers always complain about         the         children in class. 
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A
to teach, tired
B
teaching, tired
C
teaching, tiring
D
to teach, tiring
We like playing balls _______ basketball, football and tennis.
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with    
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like   
C
in
D
of