For them this is a major operation whichinvolves considerable planning. As the play draws to its close, they wonder whetherthey will ever catch that last train home. The city dweller never experiences anxieties ofthis sort.

　　16.For them this is a major operation which involves considerable planning.

　　看戏在他们是件大事，需要精心计划。

　　17.As the play draws to its close, they wonder whether they will ever catch that lasttrain home.

　　当戏快演完时，他们又为是否能赶上末班火车回家而犯愁。

　　语言点:whether表示“是否”，引导条件状语从句。

　　18.The city dweller never experiences anxieties of this sort.

　　这种焦虑，城里人是从未体验过的。