There is a picture ___ the wall.
查看答案
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
You ___ not play in the street. It’s not safe.
A. can
B. must
C. need