She turned left for a block, then continued going north.

Not too many companies, however, are looking for such large blocks of space.

For a block or two, the wind left her alone.

She thought about this for a block and a half.

I continued west for six blocks and then turned left again.

It went north for two blocks, east the same number, then south and west again.

He ran for three long blocks, then turned down a dark street.

Father and I walked for several blocks without saying a word.

You can go for blocks and not hear a word of English.

In the car they were both quiet for a block or two.