单项选择题

I'm not sure ______ or not

A． if he will come
B． whether he will come
C． whether will he come
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单项选择题
De you live in, Madam
A． the Room 308
B． 308 Room
C． Room 308
单项选择题
The boy reading ______ the desk is from Australia (澳大利亚).
A． at
B． near
C． on
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