By the time I was five, I          learning English.
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A
had started
B
have started
C
started
D
have been
推荐题目
The teacher is already standing here. Do you know when she ______?
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A
comes
B
came
C
is coming
D
was coming
—He has never been to Shanghai, _____?   —_______. He has been there twice.
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A
has he; No, he hasn’t
B
hasn’t he; No, he hasn’t
C
has he; Yes, he has
D
hasn’t he; Yes, he has
_What is Mom doing now? _She______in the kitchen for us.
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A
cooks
B
is cooking
C
cooked
D
will cook
 I _______ the charity show on TV when the telephone rang. 
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A
watch
B
watched
C
am watching
D
was watching