Are your friend's mother at home today 改错
问题描述：
Are your friend's mother at home today 改错
Are these their coats?Yes,these are.
Ask that boy.I think its his racket.
His namees are Lucy and Lily.
Who's trousers are these?They are Tom's.
答
Are改成Is,因为friend's mother是三单
Are these their coats?Yes,they are. (把these改成they）
Ask that boy,I thins it's hes racket (把its改成it's）
Their names are lucy and lily. (把his改成their）
Whose trousers are these?They are Tom's (把Who's改成Whose）