—What do you think of teaching, Bob?—I find it fun and challenging. It is a job ______ you are doing something serious but interesting.
Her smile suggested that she ___ satisfied with my answer.
---How do you usually spend your evening?---I usually ____. But if there’s a new film on TV, I watch it.
Day ___ day the child grows up?
--How ___ do you go to the cinema?---Once a week.
When he fell off the bike, he tried ____ but couldn't .