-Some people kill tigers and make medicine _____ their bones.-Yes, it’s terrible, and we can’t wear clothes _________ animal fur.
No matter____, you must keep the school rules.
The shy girl____ to speak English in class because she’s afraid of______ mistakes.
---Do you know________? ---Yes, in two weeks.
The volunteer______ the students.
Chinese like to_____ some beautiful paper cutting on walls during the Spring Festival.