Look! the ground is wet. It must have rained last night, _______?
#64817
A
hasn’t it
B
didn’t it
C
mustn’t it
D
hadn’t it
推荐题目
-----“I think the teacher is wrong, _____?” ------“No, I don't think so.”
#65393
A
don't you
B
don't I
C
doesn't he
D
doesn't she
---_____ does she chat with friends on the Internet?--- Once a week.
#59954
A
How long
B
How often
C
How many times
D
How much