Whenyou’reinvitedtohavedinnerathomebyanAmericanfriend,y...

问题详情：

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

【回答】

A

知识点：介词和介词短语

题型：选择题