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
As a good student, he’s seldom late for school in the morning, ___ he?
#65283
A
was
B
wasn’t
C
is
D
isn't
---- You have never seen an American film, have you? ---- ________. How I wish I had such a chance!
#65208
A
Yes, I have
B
Yes, I haven’t
C
No, I have
D
No, I haven’t
Listen!, his family must be quarreling, _______?
#65411
A
mustn’t it
B
aren’t they
C
isn’t it
D
needn’t they