The desk that ________ clean so I could do homework was always surrounded with b

题干

The desk that ________ clean so I could do homework was always surrounded with bowls of bad milk，old magazines and so on．

A．may have been	B．would have been
C．must have been	D．should have been

上一题下一题 0.4难度单项选择更新时间:2016-06-14 02:54:17

小学学科试题库

初中学科试题库

高中学科试题库