Besides Chinese, math and English, we also study some other        (科目)at school。
Don’t ___   (扔，抛) away the waste paper. It needs collecting so that it can be reused.
There are four markets, and the         (古老的) and most popular one is in the Chinatown.
Students        （were dressed in）sports shoes either at home or at school in the past.
Would you please       （not open）the box? It’s for your mother.