you mustn't drive(a:so quickly )next time ,or there may be an accident
下次开车不要那么快,否则会出事故.
you mustn't drive(a:so quickly )next time（省略了as this time）
not as\so +adj\adv as还有一个请帮忙id you make a noise inzhe library you may disturb.a:the otherB:otherC:other st udentsd: anotherC other students 其他学生