— ______ did you visit the Great Wall?— Last Sunday.
#59929
A
Where
B
What
C
When
D
How
推荐题目
(2013·甘肃河西五市一模)Look! The ground is wet. It must have rained last night, ________?
#64489
A
hasn't it
B
hadn't it
C
mustn't it
D
didn't it