Mary ride her bike to go to school为什么要加toMary ride her bike ’to‘ go to school是bike后的to
问题描述：
Mary ride her bike to go to school为什么要加to
Mary ride her bike ’to‘ go to school是bike后的to
答
这是表示“为了”
所以整个句子是,Mary骑自行车,为的是去学校.
如果要去掉只说 Mary骑自行车去学校,那应该是：Mary rides her bike to the school