Are these apples? Yes, ____ 
#60263
A
they are
B
they’re
C
they aren’t
D
they’re not
推荐题目
—____   —It’s ten o’clock.
#60045
A
What’s that?
B
What’s the time?
C
Who’s it?
D
Where is it?
 John must have forgotten to return the magazine to the library yesterday, _________?
#65156
A
mustn’t he
B
hasn’t he
C
haven’t he
D
didn’t he
---________ is this? --- It’s a photo of my family.  
#60221
A
Who
B
What
C
What’s
D
Who’s
I think that something has to be done to stop the air from being polluted, ______ ?
#64578
A
doesn't it
B
don’t I
C
don't they
D
haven't they
 —      does it take you to watch TV?—About forty minutes.
#64855
A
How long
B
How much
C
How often
D
How many