—Who is knocking at the door? —________ me. [ ]A. This is B. It's C. I'm D. That's -九

题目简介

—Who is knocking at the door? —________ me. [ ]A. This is B. It's C. I'm D. That's -九

题目详情

—Who is knocking at the door?
—________ me.
[     ]
A. This is
B. It's
C. I'm
D. That's
题型:单选题难度:偏易来源:模拟题

答案

B

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