As far as we know, half of Canadian teenagers do not get enough sleep on school nights, _____?
#64802
A
do they
B
don’t they
C
don’t you
D
isn’t it
推荐题目
--- I don’t think it is good for animals to stay at zoos, ___________? ---- I agree with you.
#64843
A
isn’t it
B
don’t I
C
is it
D
do I
—Didn't the robot have a rest?—_______. Because it never gets tired.
#59733
A
Yes, it did
B
No, it didn't
C
Yes, it had
D
No, it hadn’t
-______ is it from your home to school?-It’s about three kilometers.
#59851
A
Where
B
How long
C
How far
D
When
He knows so much about the story. He must have read the book,_____?
#65373
A
mustn’t he
B
doesn’t he
C
hasn’t he
D
didn’t he