Why didn’t you go to the cinema with us this afternoon, Jim?－Because I ______ at the station for my uncle from Beijing at that time.

She was more famous __________ a writer than __________ a singer.[ ]

What will happen _______ people if they don’t protect the environment?[ ]

It’s _______of Yang Xiangming to save the boy who fell into the river. — Yes. He is a great man of our times.

Who’s that?—My sister. ______ works in a factory.