My keys are inside the house.

He is quite a good cook.

I think his Japanese has improved quite a bit, hasn't it?

I am busy with work during the daytime.

My teammate is very helpful.

We understand that teamplay is necessary for us to succeed.

He always looks at the bulletin board, but as a lurker, he never comments.

The Supreme Court is the final court for interpreting the laws of the country and protecting the constitution.

He lost everything.

She is planning a date with her current boyfriend.