Every( ) things needs air .Without it nothing can keep ( )(live)

问题描述:

Every( ) things needs air .Without it nothing can keep ( )(live)
what ( ) the workers ( ) (do) over thereTom with his parents often does some cleaning on sundays(用 from 2p.m to 4p.m yesterday改写)Tom with his parents( )( )( )cleaningfrom 2p.m to 4p.m yesterday

答:
Every(living ) things needs air .Without it nothing can keep (alive )(live)
What (are ) the workers (doing ) (do) over there?
Tom with his parents often does some cleaning on sundays(用 from 2p.m to 4p.m yesterday改写)
Tom with his parents( was )( doing )( some )cleaning from 2p.m to 4p.m yesterday