I haven't got a chair to sit in. to sit in在句中作什么成分?

I haven't got a chair to sit in. to sit in在句中作什么成分? i haven't got a chair( ) a:to sit b:to sit on c:for me to si I haven't got a chair ______.A.to sit B.to sit on 选择哪个 并且讲解一 We did nothing but sit/to sit in the chair,looking/to look a sit in a chair sit on区别 I found a chair to sit on I found a chair to sit 是sit in a chair还是sit on a chair? sit in a chair还是sit on a chair? 请问：I want to have a chair to sit on∕in.on或in这种句末的介词一般在什么时候出现 would you please ( )me a chair ( A.give;to sit in B.give;to chair is comfortable to sit on 还是in ?