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
----I called him twicw and I couldn’t get through to him.----The line might have been out of order,_____?
#64645
A
mightn’t it
B
hadn’t it
C
wasn’t it
D
haven’t it
----He’s never sung English songs before, __________he? ----_________. It’s his second time to sing in English.
#60042
A
has; Yes
B
is; Yes
C
has; No
D
is; No