Before you t away anything， always think whether it can be reused or not．
In 1961,Yuan Longping found a natural hybrid rice plant that had many a over others.
When watching the raising of the national flag，we should stand with our backs.
A walk in the fresh air can l your mood after a stressful day's work.
Kate wanted to turn the room into a study，w her husband preferred a kitchen.
On the Ninth Festival this year，we'll visit the old people's home near our school.