Do you know everyone from Class One– Er…, I know some of ______.

I wonder what makes you a successful manager.—I _______as a waiter for five years and it makes a lot of contributions to my today’s work.

Do you know that some new types of energy _____ very little and never run out—Yes, I agree.

Jane never dreamed of receiving a letter from a girl her own age in Holland.

I want to know ______the thief was caught on the spot.