Although he is only a _____ boy. He knows a lot.

I am very       because I don’t like exercise.

You don’t seem very             about the suggestion and why not give us some other advice?

—Excuse me，may I have a word with Mr. Zhang？—I’m afraid he’s not_______now．He’s having a class upstairs．

There are two main sets of Games — the Winter and the Summer Olympics, and both are held every four years on a _________ basis.­­­­­