I have to work hard _____ the test. 
#50128
A
pass
B
to pass
C
for pass
D
passing
推荐题目
It’s important ______ us ________ some good books.
#50933
A
for, read
B
to, to read
C
to, reading
D
for, to read
–-What do you think of New York City?      ---It’s a good place _______.
#50000
A
have fun
B
having fun
C
to have fun
D
for funny
I had some trouble ___my homework
#50151
A
to finish
B
finishing
C
finishes
D
finish
Would you please   me how to do it ? 
#50447
A
tell
B
telling
C
to tell
D
not to tell