- 问题详情:Passengers________talktothedriverwhilethebusismoving,becauseitwilltakehisfocusofftheroad.【回答】mustn't句意:当公共汽车开动时,乘客不得与司机交谈,因为这将把他的注意力从路上转移开来。此处表示“禁止,不允许”,故用mustn't。知识点:虚拟语气题型:阅读填空...
- 8386
- 问题详情:Thesignsays“Passengers____showtheirticketsandpassports.”Amust Bmay Ccan Dshould【回答】A知识点:情态动词题型:选择题...
- 10030