Since it will take years to know the effect of genetically modified food, it’s more sensible to give it a second thought before we eat it, it?
#64705
A
isn’t
B
is
C
won’t
D
will
推荐题目
—Does she ______ a knife? —No, she _________.
#60349
A
has; don’t
B
have; does
C
have; doesn’t
D
have; has
Mrs Black doesn’t believe her son is able to design a digital camera, ______ ?
#64517
A
doesn’t she
B
does she
C
is he
D
isn’t he
--- do you watch the English show on TV?---I watch it every day to improve my spoken English．
#59931
A
How often
B
How long
C
How soon
D
How far