In my opinion, learning is lifelong and the more knowledge you get, ________ .
Would you like Helen _____ you since you have some difficulty?
Your idea surprised me, it is a(n) _____.
The murderer was brought in, with his hands _____ behind his back.
The scientists were waiting to see the problem _____.
—Good morning. Can I help you? —I’d like to have this package _____, madam.