( )the classroom , he found all his classmates had already been( )there

问题描述:

( )the classroom , he found all his classmates had already been( )there
A.to enter ,sitting B.entering,seated C.entered,seat D.entering,seating

选B(Entering) the classroom,he found all his classmates had already been (seated).1 填entering的原因是 这里是现在分词做伴随壮语2 填seated的原因是 seat是及物动词,常以被动形式表示主动意义.例:He is seat...