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【单选题】
—How long have you known the doctor ?
—he helped me three years ago.
A.
When
B.
Before
C.
Because
D.
Since
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】The excellent teacher always has a good way ______ making his class_____.[ ]
A.
of ; interesting
B.
of ; interested
C.
to ; interesting
D.
to ; interested
【单选题】____ do you like winter?Because I can____ snow. [ ]
A.
Why…play with
B.
When… play on
C.
How…playing in
【单选题】If it _____ tomorrow morning, we'll go out for a picnic.[ ]
A.
won't rain
B.
doesn't rain
C.
isn't raining
D.
isn't going to rain
【单选题】My mother was ____________because I broke the vase (花瓶).[ ]
A.
angry
B.
happy
C.
tired
【单选题】It’s very nice __________ you __________ my parents your best wishes.
A.
of; sending
B.
of; to send
C.
for; to send
D.
for; sending
【单选题】My father is a businessman. He works in an _____________.[ ]
A.
gym
B.
farm
C.
office building
D.
zoo