We are planning a trip for three nights and four days.

He has a doctorate.

It's a hundred meters from my house to school.

My cat has been infected with the feline immunodeficiency virus.

His anger exploded.

His hands were tied.

I plan to go to the national museum this weekend.

There is an old incandescent light bulb in my room.

A mute swan was swimming in the park's pond.

A black-necked swan was swimming in the park's pond.