A

about 

a book "about" snakes

1. We're about ready to go.
2. This one is about as bad as that one.
3. That's about all I know at this point.
4. It's about time to go.
5. That's about all the time we have.
6. We tried just about everything we could think of.

about 

We should leave in about 10 minutes

• We're about ready to go.
• I'm about starved.
• Are you about finished?

across

from one side to the other side

• We took a ferry across the river.
• We saw them walking across the street.
• She reached across the table to shake his hand.