Mr. Wang made up his mind to devote all he could______ his oral English before going abroad .

----Did you look up the time of the high-speed trains to Shanghai?----Yes, the early train is __________ to leave at 5:30 a.m.

He didn’t selfishly keep for himself the money inherited from his uncle.Instead，he made a________contribution to help the community.                        

You can take anything from the shelf and read, but please ______the books when you’ve finished with them.

- Do you know ______ of them? - No, I only know, Mr johnson and Mrs Smith.