问题
选择题
—It is getting late.I am afraid I must be off now.
—________![ ]
A. Go slowly
B. So long
C. Stay longer
D. All right
答案
答案：B
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—It is getting late.I am afraid I must be off now.
—________![ ]
A. Go slowly
B. So long
C. Stay longer
D. All right
答案：B