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’m certain you’d rather she was opposed to my proposal,______
#64686
A
aren’t I
B
wasn’t she
C
wouldn’t you
D
hadn’t you
— do you surf on the Internet?—Once every week. I watch some latest news and chat with my pals there.
#60302
A
When
B
How long
C
How often
D
What time
—Excuse me， ____ is the post office? —About 500 meters away.
#60405
A
how often
B
how long
C
how far
D
how soon