yes,we mustn,t put waste water into rivers or lakes的意思.

yes,we mustn,t put waste water into rivers or lakes的意思. we mustn't put clothes on lamps or heaters 翻译 must we hand in our homework now?a.yes you mustn'tb.yes you mustn'tc.no you needn't If we don't put an _____ in a microwave,we mustn't use it.A.thing B.bowl C.food D.object 根据对话填写单词W:Do you have a library at school?M:Yes,we do.And we have ____ for school library.W:What are they?M:We have to keep quiet in the ____.We have to put our school bags and our umbrellas ____ the library.We can't ____,____or liste we mustn't do that again —Is everything _____ we need to do _______?—Yes.You needn’t w What we need is___the animals.We mustn't wast time. Can we put our sports shoes here?--Oh,yes.Put _______ here,please.A.them B.their C.it D.t选择哪个? 1.— Must we hand in our homework now?— _______A.Yes,you will.B.Yes,you mustn’t .C.No,you needn’t.D.No,you mustn’t.2.— Do you think I could borrow these magazines?— _______A.No,you can’t.B.You could borrow other magazines.C.The magazin —Must we do something to keep our country clean?—__________.A.Yes,you needn't.B.Yes,we need.C.Yes,of course.D.No,we mustn't.这题.有些特别,所以请说明选哪个不选哪个,为什么不选那个 we什么work hard用must或mustn‘t填 At home,we mustn't cook food w_______ adults. The sign No smoking means we mustn't smoke here we mustn't play in the kitchen 翻译意思 英语翻译We mustn't buy _____ _____ _____ fur. What mustn't we do there?翻译成中文 we mustn't cut down forests.(改为祈使句）