I was in junior middle school when I was sat the age of 13 他们谁是主语,谓语,宾语?

问题描述:

I was in junior middle school when I was sat the age of 13 他们谁是主语,谓语,宾语?

I,主语,was谓语,没有宾语,in …school表语,when…状语从句