________ hard one may work, one cannot master a foreign language in a month or two. 
#67459
A
Whenever
B
Wherever
C
Whatever
D
However
推荐题目
. No one knows exactly ______ after 2012.
#70278
A
what will our world look like
B
how will our world look like
C
what our world will look like
D
how our world will look like