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【单选题】
Your speech could be welcomed and accepted by your audience o nly if it is _______ .A.
creative
B.
ethically correct
C.
logical
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反馈参考答案：
举一反三
【单选题】—Did the policeman let you in?
A.
I'm sorry you've been waiting so long, but it'll still be some time ________ Brian gets back.
B.
before
C.
since
D.
till
E.
where
【单选题】---Can you let me know yesterday? ---Because the traffic was bad.
A.
why did you come late
B.
why you came late
C.
why do you come late
D.
why you come late
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