问题
选择题
—Hello,Jack.How are you doing?
—__________.[ ]
A. Reading a magazine
B. OK
C. That's all right
D. It's nice
答案
答案：B
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—Hello,Jack.How are you doing?
—__________.[ ]
A. Reading a magazine
B. OK
C. That's all right
D. It's nice
答案：B