I have to work hard _____ the test. 
#50128
A
pass
B
to pass
C
for pass
D
passing
推荐题目
       our duty        some housework at home
#48790
A
It’s ;to do
B
It’s ;doing
C
That’s;doing
D
That’s; to do
----Woul d you mind       the windwow? ----       It’s cold outside.
#50264
A
me open ,Of course not
B
mine opening , Certainly not
C
my opening , You’d better not
D
mine open , Not at all