最常见的一个用法,举例说明1.let`s go to the the park tomorrow,shall we?2.let us go to the park tomorrow ,will you?记住这两个句子,最常见. 最常见的一个用法,举例说明1.let`s go to the the park tomorrow,shall we?2.let us go to the park tomorrow ,will you?记住这两个句子,最常见.