Look!The ground is wet.It must have rained last night,________?
#64477
A
hasn’t it
B
didn’t it
C
mustn’t it
D
hadn’t it
推荐题目
Will you please     computer games now? 
#60270
A
not play
B
not to play
C
don’t play
D
not playing
--          is your cousin?--She's fifteen years old.
#59939
A
How
B
How old
C
How many
D
How much
--____ does it take you to get to school?-- About twenty minutes.
#60007
A
How
B
How long
C
How many times
D
How often