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【单选题】
先週東京( )行きました。A.
へ
B.
で
C.
は
D.
と
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反馈参考答案：
举一反三
【单选题】I _____ to telephone you last night, but the line was out of order and I couldn’t get through.
A.
succeeded
B.
tried
C.
managed
D.
failed
【简答题】A: You (telephone) for ages. You not nearly (finish)? B: I (not get) through yet. I (try) to get our Paris office but the line (be) engaged all morning.
【简答题】I think there's________wrong with their telephone. The line is engaged all the time.
【简答题】EDI的构成要素分别是( )、( )、( )。
【单选题】I _______ to telephone a friend in New York for the last two hours but the line is still engaged.
A.
tried
B.
have been trying
C.
had been trying
D.
had tried
【简答题】中度非典型增生是指
【单选题】— I can’t get through to the general manager’s office. — The line is busy. Someone ______ the telephone.
A.
must use
B.
uses
C.
must have been using
D.
must be using
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