they often their honework on their computers 改为否定句
they often their honework on their computers 改为否定句
They visit their grandparents on Sunday.(改为否定句)
Their teacher often halps them after class.改为否定句.
They have already finished their homework(改为否定句)
They must finish their work before lunch 改为否定句
they will visit their grandpa this weekend 改为否定句
They have washed their hands 改为否定句
They do their homework after school 改为否定句
They like their presents.(改为否定句)
They must finsh their homework on Friday.改为同义句
People will have computers in their house.改为同义句
They like their families.变否定句