Many things that were once considered useful and_____, for example, tobacco, is now thought harmful.

Have you seen the movie《Lost in Thailand》— Yeah, it’s truly worth ________. It’s ________interesting that I’ve seen it twice.

Mary is very clever and worth teaching , but her brother is not .Look ,he is now asleep in class .

Our teacher found her ___ and gave her somedifferent homework to do every day.

rather have some wine, if you don’t mind—Don’t forget you must drive