we mustn't pollute rivers or cut down forests.we should try__ __ __ __ __(保持地球的干净）the children found it interesting__ __ __（玩）monkeys

We mustn't use the things ____(pollute) the environment. we mustn't pollute rivers or cut down forests.we should try__ __ __ __ __(保持地球的干净）the children found it interesting__ __ __（玩）monkeys we mustn't break the (r ) in our school1 we mustn't break the (r ) in our school 2 if we want to learn english well ,we must practise (s )it first we mustn't do that again What we need is___the animals.We mustn't wast time. 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） we mustn't arrive late for class 同义句 we mustn't cook without an adult 同义句转换 we mustn't put clothes on lamps or heaters 翻译 We mustn‘t throw( )awayA.its B.them C.they We mustn't watch too many TV 改错 We mustn't give fantail g__ too much food.