It is difficult __________ you ___________ finish the work in a week.
#56330
A
of, to
B
with, to
C
with, for
D
for, to
推荐题目
You won’t ____ me ___ ,will you ? 
#57199
A
ask down
B
let down
C
sit down
D
come down
 His father promised _________ him to visit the museum.
#55932
A
to take
B
take
C
taking
D
takes
The doctor looked ______ the old man ______.
#61427
A
at…care
B
over…careful 
C
up…carefully
D
over…carefully