I think they failed to accomplish the task, ______?
#65406
A
do I
B
don't I
C
did they
D
didn't they
推荐题目
___deer are there on the hill?
#65316
A
How much
B
How many
C
How far
D
How long
I don’t think that the necklace is made of diamond, ________?
#64771
A
do I
B
do you
C
isn’t it
D
is it
-----“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