供参考
Let's go to school on foot,shall we?
Let's walk to school,shall we?应该是Wegotoschoolonfoot,ok?还是Shallwewalktoschool,ok? 另外ok应该是大写还是小写?如果是书面语，一般不用ok,而是我给你参考的那两种说法。口语的话，就无所谓什么大小写啦，语法都无所谓啦。