You must have been caught in the traffic jam yesterday, ______you?
#64734
A
weren’t
B
didn’t
C
mustn’t
D
haven’t
推荐题目
-___________ do you go to Old People’s Home?-Twice a month. 
#59921
A
How long
B
How soon
C
How often
D
How many times
—Does Bob have vegetables for dinner?—______. But his sister has some carrots.
#59976
A
Yes, he has
B
No, he hasn’t
C
Yes, he does
D
No, he doesn’t
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
Would you please          me ?   
#60127
A
not trouble
B
not to trouble
C
to not trouble
D
don't trouble