To learn the piece of music quickly, you'd better hear it ___ as many times as possible.

Have you seen the man ___________on the grass in the picture?

 In order not to be disturbed, I spend three days _______ in my study.

When he woke up,he found his watch gone.It seemed that he suspected me             it.

(2013·皖南八校联考) ________ a lady of her necklace, the young man was arrested on the spot by a policeman.