Many firms give away small quantities of theirproductions as _______ so that people can try them before buying

I’m now in New York with my friend Jenny. We ______ by plane on Monday.

He thought he ________ a teachertwo years later.

I can’t thank him too much, ____________ I couldn’t have finished the project in time.

If the dog hadn’t woken us, we wouldn’t have noticed the fire and it _____ to the house next door. [ ]