下列词语中加线的字,每对读音都相同的一组是(　　)

Of the two famous people, the former is Yao Ming, theis Lin Shuhao

Only after Mary read her article a second time_____the spelling mistakes

The houses in big cities are very _______. I can’t afford（负担）them.

The new secretary is a quick, _______ worker, and the boss is quite satisfied with her.