After winning the badminton championship at Wuhan Sports Center in May, the Chinese players’ faces ____ with joy.
---are the Winter Olympic Games held? ---Every four years.
---You should your teacher’s advice if you want to improve your science. ---That sounds great.
--- Is he still raising money for charity? ---Yes. He never _______hope of helping poor children.
---Why are you still here? It's so late. ---Because I my work. Don't worry. It's almost done.
---Do you think yesterday’s math problem was difficult? ---Yes. I could work it out.