The job is fun and challenging. It is a job ________ you are doing something serious but interesting.

hen Ross, a foreign teacher heard thegood news, she had a cheerful _____.

Ladies and gentlemen, please fasten your seat beltsThe plane _________

Maggie, I really love your handwriting. -_______.

This box is too heavy.—Well, we have got some ________ ones. They’re overthere, on the desk.