All his plans came to nothing.

When the visitor arrived, we were preparing tea.

His life was impoverished, and every day was a struggle to survive.

The protection of this town is my responsibility.

He is good at solving trigonometry problems.

My hobby is needlework.

This room is 20 square meters.

This library adopts its own classification method.

My father practices Falun Gong in the park every day.

This area is off-limits due to high radiation levels.