Tony couldn’t remember ______he had turned off the computer before he left the o

题干

Tony couldn’t remember ______he had turned off the computer before he left the office．

A．that	B．where
C．when	D．whether

上一题下一题 0.64难度单项选择更新时间:2015-11-19 06:25:54

小学学科试题库

初中学科试题库

高中学科试题库