He usually does his homework         two hours in the evening.
#49874
A
about
B
to
C
in
D
for
推荐题目
.This CD-ROM can help you learn and have fun_____.
#49320
A
at times
B
on time
C
at the same time
D
in time
What do you have ________ lunch?
#50327
A
to
B
with
C
for
D
on