break into 可以加 laughter吗?还是加laughing?

break into 可以加 laughter吗?还是加laughing? break into a laugh和break into a laughter的区别 break in 和break into的区别break into后面不加宾语吗? break into ,brust into 区别 break down into break up.into造句 break down into... into和out都是介词吗?如果是介词,那为什么burst into laugh中的 laugh不加ing,而burst out laughing却要加ing? break up,break down,break in,break out,break into,break through怎么区别 break in 和break into 的用法和区别那么用作“破门而入”时两者等同吗，可以互换？ come into being 有无完成时?Break up 前面能否加be动词? 问一句英语语法问题It is impolite to break into other people's house without kenockingat the door请问kenocking为什么要加ingmust we return this book this weeked请问this weeked前为什么不要加in 可以in吗? break into 和burst into 什么区别 英汉互译break into 英汉互译break into break the door into对吗 get off,break into,come break off后面都可以加什么?自己回答!