51Don’t put your cell (手机) _____ the edge of the table, or it will fall off

She expressed her thanks to the policeman sincerely, because he ______ the famous painting which had been stolen a year before.

It’s five years since I here.—Where do you work now?

n’t seen Sara since she was a little girl, andshe has changed beyond ____

下列各句中，没有语病的一项是（ ）