The classroom needs cleaning?为什么用cleaning而不用to clean?

The classroom needs to be clean.这句话的意思？ The classroom is dirty,snd it needs ______(clean). The boy in the classroom needs a pen of yours的定语是什么? The boy in the classroom needs a pen of yours中的a pen The boy in the classroom needs a pen of yours中的词法与句法 The classroom needs cleaning?为什么用cleaning而不用to clean? The classroom needs every day?A.to clean B.cleans C.cleaning D.cleaned when the boy goes into the classroom.he needs a pen.句子成分分析忘了啥句子了 填空:____the classroom needs to be cleande .参考答案是Either the offices or ,可是为什么要加either? 教室需要打扫了.the classroom needs—— —— ——.填什么（3个空） In the classroom,the boy needs a pen.象这句前面的地点状语可以放到后面吗?In the classroom,the boy needs a pen.在教室里,男孩需要一支钢笔.象这句前面的地点状语可以放到后面吗?也就是可以变成The boy needs 请大家帮我分析一下这几句英语例句的成分The boy in the classroom needs a pen of yours. 这个句子是什么成分,为什么in the classroom 要放在needs的前面呢?the boy to wirte this letter needs a pen 这句话都是什么成 The fence needs什么 The life needs exciting .The classroom is so dirty that it needs ______ badly.A.clean B.to clean C.being cleaned D.cleaning再这4种答案中选其1 The classroom is so dirty that it needs( )badly谢谢了,A.clean B.to clean C.being clean D.cleaning Our class teacher______stay in the classroom.班主任让我们呆在教室里. 这里用let us 还是lets us?王先生需要一些鸡蛋. Mr wang needs some eggs. 这里是 need 还是needs? clean the classroom