________ 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
____ he was fired by the company is ____ he didn’t work hard.
#73134
A
What; because
B
Why; because
C
Why; that
D
That; because
A brilliant idea occurred to him, ___ to his research in the lab.
#67725
A
while devoting
B
while devoting himself
C
while he was devoted
D
while devoted