_______fine mornings,old people get together and do exercise by the lake.
----Why does your brother stay at home every day?-----Because he is young go to school.
He studies ______ at Chinese for one year, but he can still_______speak it.
Spring is coming.I feel like __________weight (减肥).
The scientists in China are trying __________ the ways to reduce the fog and haze (减少雾霾).
I want to cook ________ for my parents.