No potatoes for me—I’m _______ a diet. 
#27318
A
at
B
in
C
on
D
with
推荐题目
It is _________ pleasant to take a crowded bus.
#26872
A
by no means
B
by means of
C
by all means
D
by any means
 Even though the Smiths have moved to a faraway place, we still see them ___. 
#27513
A
from time to time
B
at a time
C
at the same time
D
all the time
China has been pushing the reform of public hospitals           all its citizens. (2012福建)
#25628
A
in charge of
B
for the purpose of
C
in honor of
D
for the benefit of