She will tell us why she feels so stronglythat each of us has a role _____ in making the earth a better place to live.

I think this piece of music isworth_______.

I don’t think you have made great mistakes, _______?

I’d like tomato noodles _______ eggs.

Are you in a hurry?— No, in fact, I’ve got plenty of time. I _______ wait. [ ]