The Mekong River Commission has found no evidence the dams on the upper reaches have an influence on the water flow downstream.
#68029
A
that
B
which
C
where
D
what
推荐题目
------ The authors of computer viruses are geniuses.------ I agree. They can apply their wisdom to other net technology ________ human beings can benefit.
#69518
A
in which
B
through which
C
on which
D
from which
Fisherman Wang Bingzhong from Changli county,Herbei province,examines his boat on May 25 after it was damaged in ________he described as a pirate attack.
#68724
A
which
B
that
C
what
D
where
is known to us all is the old scientist, for whom life was hard in the past, still works very hard in his eighties.
#70211
A
What; what
B
What; that
C
That; what
D
As; that