When I came back, I saw him _________ at the back of the classroom[ ]

as two brothers, ________ aredoctors.

My parents don’t allow me to go out after 6 p.m.What sentence elements is the underlined part?

You have been working for hours It’s no______ you areexhausted Why not take a rest

retired from his business,he now ________ himself with the welfare of the disabled.