单项选择题


A．As
B．Though
C．Since
D．Unless
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单项选择题
The boy dived into the water and after ______ seemed to be a long time, he came up again.
A．what
B．that
C．it
D．which
单项选择题
Tables, chairs and beds ______.
A．are all furniture
B．is all furniture
C．are all the furnitures
D．is all the furniture
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