UC知道：想知道神马，提问回答学习问题百度都知道

I have lost the key_____the classroom, have you seen it?A of B to C for

来源：百度知道编辑：UC知道时间：2024/05/24 23:52:39

这道题为什么选to,选其它两个答案行不行?

这是一个固定短语。the key to sth.有两个含义，一个是表示“……的钥匙”而另一个意思是“……的关键”其后必然搭配to。这里的to是介词。后面用名词，代词或动名词作宾语

固定词组呀
the key to something
什么什么de钥匙

固定短语,如the key to the door,意思是开门的钥匙
the key to the...... 意为......的钥匙

the key to中的to在此做“……的钥匙”来讲，固定搭配，还有“……的关键”之意，根据语言环境来翻译

we visited the factory ---I have visited all my lost? I have get lost in the world of love. 是when have you lost the pen还是when have you lost the pen Apparently, I have lost what I can rely on I'm lost in the forest I lost my____in the heavy fog. 语法问题:I have lost the library's book,and I must pay for it . 为什么must和pay for 之间不加TO呢? 翻译句子：But for your help, I would have lost I missed the class.I have come____earlier I have lost my keys; I can't remember where I left it.