Lily and her parents work in No. 2 Middle School. They _______ Maths teachers.
— Could you tell me ____ ?— Certainly. In half an hour.
Success will belong to those ___ never say “impossible”.
It is said that ____ young people may lose the abilities to hear after five years if they listen to MP4 players which are too loud for more than five hours a week.
CCTV-10 often plays _____ around the world . It can help us learn more about not only nature but also different cultures and customs.
Tony prefers ____ to music to _____ TV in his spare time.