I saw various kinds of birds in the park.

He is saving his monthly earnings.

He believes it's important to uphold his own rule.

We participated in the project with Yo.

My mother woke me up.

The police apprehended the criminal.

Because he has immunodeficiency, he always pays attention to his health management.

Homo erectus played a significant role in the process of human evolution.

Protectionist policies are introduced to protect domestic industries from foreign competition.

Could you attend the meeting on my behalf?