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