When I was in kindergarten, I was often _____ by my teachers to be polite to the adults.
As soon as he heard the news, a(an) of surprise appeared on his face.
I love animals and that’s the reason ______ I hate the people who kill wild animals for money.
Professor Li preferred _______ lectures to his students to _______ to meetings on scientific developments.
If you don’t go to see the film this evening, .
He devoted himself _______ to his research and got many achievements.