“Stop ______ and _______ your homework,” the mother said.

When he walks _______ my desk, he often knocks my books _______ the floor.

The telephone rang at midnight, butit stopped ______ I could answer it.

I admired my classmate Lisa very much_____her prettiness, she was smart and helpful

The net bar is not a good place for children.—_______. We’d better ask children to stay away from it.