at the back of the classroom several old professors, listening atte

题干

at the back of the classroom several old professors, listening attentively to the new teacher.

A．Seated; were	B．Seating; was
C．Sat; were	D．Sitting; was

上一题下一题 0.4难度单项选择更新时间:2018-01-09 03:13:26

小学学科试题库

初中学科试题库

高中学科试题库