第30题: [单项选择]If a dinner guest is to be late for dinner, he should ______. A. cancel the visit B. find a good excuse C. say nothing about it D. phone to explain why he will be late 参考答案:D 答案解析:本题考查的是考生对细节的把握。答案对应于第三段最后一句"If a dinner invitation is for 7 o’clock,the dinner guest either arrives