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【单选题】
属于汇付活动当事人的是()A.
委托人
B.
汇出人
C.
D.
索偿人
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【单选题】I was almost asleep last night when I suddenly heard someone ______ at the door.
A.
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B.
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C.
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D.
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A.
hear, singing
B.
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C.
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D.
hear, sang
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A.
stood
B.
to stand
C.
stand
D.
standing
【简答题】I was almost asleep last night when I suddenly heard someone _____at the door. A) be knocking B) knocking C) to knock D) having knocked
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