________ hard is the key to success. 
#51086
A
To work
B
Work
C
Worked
D
Works
推荐题目
Tom has no partner______.
#49092
A
to practice
B
to practice with
C
practicing
D
practicing with
What about ____?
#49618
A
something to eat
B
to eat something
C
something eat
D
eat something
Let me        you how to get to the airport.
#50707
A
to tell
B
show
C
help
D
take