The flight to Toronto was __________ because of the heavy snow.

The show Dad, Where Are We Going is really _______ , and it is a hit program on Hunan TV.

Mike is really a polite boy.— Yes. He ________ “Good morning” to me every day.

Even if we are very busy, we should spend ______ doing exercise every day.

Mr. Smith has decided to his bad habit of smoking.—That’s good news. I hope he can do it.