--         did you visit the Science Museum? --Three months ago.
#60251
A
When
B
Where
C
What
D
Which
推荐题目
She must have arrived there yesterday,_____?
#64684
A
mustn’t she
B
needn’t she
C
hasn’t she
D
didn’t she
---- ____?    ---- Maybe the possible solutions to the air pollution.
#64900
A
Do you think what they are talking about
B
Do you think what are they talking about
C
What do you think they are talking aobut
D
What do you think are they talking about
---______ do you exercise? ---Once a week.
#60191
A
How long
B
How often
C
How many
D
How old
It was Alice and her husband who sent the old man to the hospital , _______ ? 
#65132
A
wasn’t it
B
weren’t they
C
didn’t they
D
wasn’t he