---Jack, you erase the blackboard today, __________?---But I did it yesterday.
#64531
A
will you
B
do you
C
would you
D
don’t you
推荐题目
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
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
－___________ do you go to Old People’s Home?－Twice a month.
#59921
A
How long
B
How soon
C
How often
D
How many times