Black doesn’t believe his son is able to design a digital camera,_____?
#64544
A
is he
B
isn’t he
C
doesn’t he
D
does he
推荐题目
I don't think a warm winter always has a negative influence on our life, _____?
#64731
A
do I
B
does it
C
hasn't it
D
don't I
— _______ classes do you have every weekday?—Seven classes.
#59904
A
How many
B
How much
C
How long
D
How often
