您好! What should we do now ? 我们现在该怎么办? Who can answer this question? 谁能回答这个问题? Can you play basketball ? 你会打篮球吗? Can I join you to play games ? 我可以加入你们一起玩游戏吗? You must arrive at 8 o'clock. 你必须在八点到达. You need not to go at once.你不必现在走. We should speak English everywhere at any time.他们应当随时随地说英语. We mustn't speak loudly in classroom.我们不可以在教室里喧哗.望您采纳!做签到任务的!谢谢您了!