Being hard-working is of the highest __________ to becoming successful. 
#6535
A
important
B
to be important
C
importance
D
being importance
推荐题目
All that can be done ____.
#7348
A
has been done
B
have been done
C
have done
D
has done
 “Theory is something, but practice is ___” said he.
#7370
A
something
B
everything
C
nothing
D
anything