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
His words remind me________ we did together in the past.
#36663
A
that
B
of what
C
what
D
of that
—May I come in? I’m sorry I’m late. —Come in, please. But could you tell me         ?
#36927
A
how do you come to school
B
what were you doing then
C
who you talked with
D
why you are late
—I can’t find my way.Could you tell me ___?—Sure.You can take a taxi to get there.
#38002
A
How long it will take me to the National Museum
B
Where is the post office
C
How far is it to the railway station
D
How I can get to the post office
—Lisa, do you remember ________ yesterday?—Of course.
#36584
A
what did the teacher say
B
what the teacher said
C
what will the teacher say
D
what the teacher will say