No matter where he is, he makes_____ a rule to go for a walk before breakfast.

I asked for some more cake, but there was               left.

Mary waited for a  reply, but__________came.

—How do you find your classmates?
—Most of them are kind, but ____ is so good to me as Peter.

—I’d like some more cheese.
—Sorry, there’s _____ left.

The children were required to wear new school clothes, but Kim couldn’t afford         .

I’d rather ride a bike as bike riding has _____ of the trouble of taking buses.

Everyone knows that________ is dangerous to play with fire, but________ is difficult is to prevent children from playing with fire.

As a journalist, Joan finds _______ worthwhile to spend time chatting with people of different backgrounds and nationalities.

--Can you let these new graduates take on the task?
---I’m afraid not. While they are energetic and ambitious, ____of them seems to be suitable for this demanding job.