Today’s young people can’t live without smart phones. They keep their hands on the phones whenever they go, even while they_______meals.

He doesn’t work hard at all . So it seems to _______ for him to pass the exam

____ I swim here?—I’m sorry. Children ____ swim alone here..

The boy is ________ to look after his sister.

Tom likes playing_______ chess, but he doesn’t like playing ___________piano.