改为复数句 I eat a lot everyday.

改为复数句 I eat a lot everyday. eat---a lot 用单数还是复数 I am a Chinese[改为复数句】 We eat a lot of vegetables every day 改为同义句 sam and his brother eat a lot of vegetables exert day.(改为否定句 i have a lot of friends here.(改为同义句) I need a lot of energy改为同义句 I like going fishing a lot（改为同义句） I have a lot of housework.改为否定句 They eat a lot变同义句 chacolate .eat toothache have i a i lot ,of will if 连词成句 I'm a pupil.（改为复数句） 怎么改?