____ we know now, oceans cover more than 70 percent of the earth.
#73533
A
That
B
Which
C
As
D
What
推荐题目
I have a lot of books, half of ______ novels.
#73448
A
which
B
that
C
whom
D
them
 Wang kun : Have you looked at a map? Wang wei : What did you say just now? Wang kun : I asked you ______________.
#69642
A
whether you have looked at a map
B
whether you had looked at a map
C
whether have you looked at a map
D
whether had you looked at a map
The bread my wife makes is much better than ________ you can buy at a store. 
#73314
A
that which
B
one that
C
that of which
D
this of which