— _______ are they doing?一They are running．
#60260
A
Who
B
Whose
C
What
D
Where6.
推荐题目
---Is there a post office near your house? ---________.
#60277
A
Yes, it is
B
Yes, there is
C
No, it isn’t
D
No, there is.
Something has to be done to stop the rivers from being further polluted, ?
#64600
A
doesn’t it
B
hasn’t it
C
does it
D
has it
--Do you know the man with a pair of sunglasses is?--An actor, I think.
#60077
A
who
B
how
C
what
D
whom