No one knows ______effects the GM material might have on the food chain. 
#79147
A
what
B
which
C
whose
D
how
推荐题目
I want to know____________.
#38211
A
when will he come
B
would he like to go shopping with me
C
if he had been back
D
why he is so angry
As soon as he comes back, I’ll tell him when ___ and see him.
#78928
A
you will come
B
will you come
C
you come
D
do you come