It has been announces that all takers ____ remain in their seats until all the exam papers have been collected.

I often played truant then. How I wish I ______ the time on my study!

（2014年北京市西城区高三5月二模试题）30. — The professor gave a really good speech.  — I suggest you _____ him some specific questions about his work experience.

Without you, I _______ the first prize in the speech contest. Thank you, John.

He said he would rather not _____ it right now.