When you're invited to have dinner at home by an American friend, you should be _______ or a little later. It's different from our Chinese custom.
A:on time
B:on business
C:on show
She was so excited that her eyes ____ ____.
假如你是一名导游,现英国一旅游团需参观我国元谋人遗址,你应该带他们到哪个省市?( )