fit后面加什么介词

　　例句：

　　Of the seven bicycles we had, only two were fit for the road.

　　我们的七辆自行车中，只有两辆适合这种路。

　　Am I really fit for the job?

　　我干这个工作能行吗？

　　The other 90% have fit into their environments and are considered naturalized.

　　另外90%的人已经适应了他们的环境，且已经被认定入籍了。

　　His pictures don't fit into any category.

　　他的画哪一类也算不上。