问题
选择题
I had just stepped out of the bathroom and was busily drying myself with a towel ______ I heard the steps.
A.while
B.when
C.since
D.after
答案
答案:B
题目分析:考查连词:句意:我刚刚走出浴室正在用毛巾擦干自己,这时我听见脚步声。这里是在听到脚步声的那一刻,表示时间点,用when. While通常是表示时间段的,after通常是表示在…….之后。Since后跟时间点时,一般跟现在完成时连用。选B。