His father insisted on punishing him, buthe insisted he had _______ to do with the matter.

______do you improve your listening — I improve it ______watching English movies.

Would you like ______ ， sir— No， thanks. I have had much.

(2013·厦门模拟)“Youth”is regarded by many people as a time in their life　　　fun, passion, and imagination seem limitless.

I don’t want to make friends with thosepeople ______ think of themselves first when in trouble.