Ⅲ. Complete the sentences with the given words in their proper forms.
1. It's polite that people speak
quietly
in public places. (quiet)
2. The children felt
excited
about having an outing soon. (excite)
3. How many of Shakespeare's
plays
have you ever read? (play)
4. Tu Youyou is among the best women
scientists
in the world. (science)
5. For the kids, Chinese Poetry Competition is a favourite program of
theirs
. (they)
6. Most students leave college and enter society in their
twenties
. (twenty)
7. Hans phoned Eric to
exchange
their ideas about his trip to China. (change)