The teacher told us _.

A.not to make so much noise B.don't make so much noise C.didn't make so much noise D.not make so much noise

told sb to do sth. 告诉某人做某事
told sb not to do sth. 告诉某人不要做某事

答案选:A.

老师叫我们不要制造出太大的噪音.

A

1.if 可引导状语从句 如果...,假使... a. [就现在,过去,未来可能实现之事加以推测时] if you are tired, we will go straight home 如果你疲倦了,我们就直接回家 if you have finished reading this book, please return it to me 如果你念完这本书,请把它还给我 do you mind if i open the window? 如果我打开窗子,你介意吗? (我可以打开窗子吗? ) i shall tell him if he comes 如果他来了,我会告诉他2. 用于虚拟语气中 a.if you knew how i suffered, you would pity me 如果你知道我多麽受苦,你会同情我 if i were you, i would help him 如果我是你,我会帮助他 b.if i had known, i wouldn't have done it 假使我知道,我就不会做那件事 if he had followed my advice, he wouldn't be in such difficulty now 如果他听从我的劝告,他现在就不会陷入如此的困境 c. if it should rain tomorrow, i shall not [shan't, won't] come 万一明天下雨,我就不来 3.if可引导宾语从句 ,"是不是..."基本等同于whether ask him if it is true 问他那是不是真的 i wonder if he is in the school 我不知道他是否在学校 把told 改成ask 就是第三种情况了，

A tell sb. to do sth. 让……做…… tell sb. not to do sth. 让……不做…… 或 不让……做……