I often hear him .Today when I pass(经过)the classroom, I hear him again .A. sing; singingB.

发布时间：2020-08-23 02:15:52

I often hear him     .Today when I pass(经过)the classroom, I hear him     again .
A. sing; singing
B. singing; sing
C. singing; singing
D. sing; sing

网友回答

(答案→)A. sing; singing
B. singing; sing
C. singing; singing
D. sing; sing
解析：句意：我常常听到他唱歌。今天当我经过教室的时候，我听到他又唱歌了。hear sb do sth 听见某人做某事，hear sb doing sth听见某人正在做某事，题中有when I pass(经过)the classroom当我经过教室时，这个时间状语，故选A
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