---What’s your impression of the Great Wall?---Wonderful! Once ____ , it can nev

题干

---What’s your impression of the Great Wall?
---Wonderful! Once ____ , it can never be forgotten.

A．seen

B．seeing

C．being seen

D．saw

上一题下一题 0.64难度单项选择更新时间:2010-10-26 11:33:03

小学学科试题库

初中学科试题库

高中学科试题库