We will go to the shop to buy some food. Both meat and fish ___ running out.
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There is a picture ___ the wall.
A. on
B. in
C. of
There is a nail(钉子) ___ the wall.
A. on
B. in
C. of
There ___ some milk in the bottle.
A. is
B. are
C. be
I’ve never been good ___ singing, but I kike to listen to it.
A. at
B. about
C. of