student may aueue up before they go downstairs.(改为否定句)
student may aueue up before they go downstairs.(改为否定句)
Students may queue up before they go downstairs.(否定) Student
queue,up,we,go,before,downstairs,we,must连词成句
They must finish their work before lunch 改为否定句
把they must go now改为否定句,怎么改?
they go to sleep very early改为否定句
They go to school at seven.改为否定句
They go to school every day.改为否定句
They can go to his party 改为否定句
They should call him up(改为否定句) They _ _him up.
Mike has to go to bed before 10:00.改为否定句 Mike ( )( )( )go to
stand up.(改为否定句)