语法词汇练习 语法大全 语法详解 英语听力 
________ is known to all is that effective measures should be taken to deal with the problem of the over­exploitation of our resources.
#67275
A
What
B
It
C
As
D
Which
下一题
推荐题目
They put forward a lot of plans at the meeting, none of _________ carried out in their work.
#73434
A
which
B
them
C
what
D
that
Sally took a photo of her friends while they ______ computer games.
#41060
A
played
B
were playing
C
had played
D
play
I got home _____ they were having dinner.
#41358
A
as soon as
B
while
C
because
D
after
_______ made me angry was that it never______ her that her parents might be worried.
#73687
A
That; happened to
B
What; occurred to
C
What; belonged to
D
That; meant to
 Ahead of me I saw a woman _____ I thought was my aunt.
#71879
A
who
B
whom
C
of whom
D
whose