---I wonder what makes you a good salesperson.---I _______ as a waiter for three years, which contributes a lot to my today’s work.A. serve B. have servedC served D. had served
Sixty miles ________ in a single night, so they were exhausted.
--- Had we been more careful, the accident might not have happened. --- But we _____ at that time.
He will stop showing off,if no notice of him.
—Remember the first time we met, Jim? —Of course I do. Youin the library.
What I wanted to know was when and where the meeting______.