问题
选择题
The final examination of this term is coming, so every one of us ________ for it these days[ ]
A．has prepared
B．prepared
C．has been preparing
D．was preparing
答案
答案：C
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The final examination of this term is coming, so every one of us ________ for it these days[ ]
A．has prepared
B．prepared
C．has been preparing
D．was preparing
答案：C