I’m ______ a diet, since I put ______ weight easily.
#25863
A
in; on
B
on; in
C
in; in
D
on; on
推荐题目
---When did you arrive here?---Just ______when you left. 
#25548
A
in the same morning
B
on the night
C
at the night
D
on very afternoon
He spends a lot of time ___ the TV set.
#28966
A
in watching
B
on
C
in front of
D
on watching