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