Hearingthestepsoftheirteacheronthefloor,thestudentspre...
来源：语文精选馆 2.95W
问题详情：
Hearing the steps of their teacher on the floor, the students pretended _______ something attentively.
A. having read B. reading C. to reading D. to be reading
【回答】
D
知识点：非谓语动词
题型：选择题
