She fired the gun ... mistake.

You have .... for tennis.

Jun and I ... each other for ten years.

When I ... her, she didn't know who I was.

I'm sorry. I didn't ... you were busy.

I ... research before I started the project.

Those people should ... their own business.

..... usually start to walk at about twelve months.

For the last two hours ... in the garden, so I'm tired.

The road .... we wanted to take was closed.