问题
选择题
—I beg your pardon?
—Your mind must be ________ when I was speaking, wasn't it?[ ]
A. wondering
B. wandering
C. walking
D. speaking
答案
答案：B
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—I beg your pardon?
—Your mind must be ________ when I was speaking, wasn't it?[ ]
A. wondering
B. wandering
C. walking
D. speaking
答案：B