Oh, boy, why are you killing your time this way? Can’t you find something ________ doing?
The boy asked his mother _______ go out to play table tennis.
The little boy felt grateful ____ the couch for his letting him _____ the game.
______ the dog, I ______ in love with animals gradually.
our textbook ,the English spoken in England in the past is very different from ____ spoken at present.
Li Hua offered to devote all she could ___ her written English with our mid-exam______ .