_____ is known to all is that effective measures should be taken to deal with the problem of the over-exploiting of our resources.
#31107
A
What
B
It
C
As
D
Which
推荐题目
______ you talk or write a message to someone, you show your language skills to others.
#31000
A
Every time
B
Some time
C
At times
D
The time
I ________ with Hanmeimei on the phone _______ the light went out.
#30908
A
am talking; while
B
was talking; when
C
talked; when
D
was talking; while
(2013·兰州模拟)Living in the eastern part of the city has its problems, shopping is not the least.
#30596
A
with which
B
of which
C
for which
D
which