How to use "blocked" in a sentence

He walked along this lane for a long time until, to his horror, he discovered his way blocked by a high wall

Their exit was blocked by more soldiers on horseback

If it's really a bad one, he finds out his pipes have blocked up

One wall was covered by heavy drapes that blocked out the fierce desert sun

The chopper hugged the valley floor, streaking northward, ten feet above an ice-blocked river, still forced to make its way through a snowfall that nearly blinded them, but sheltered from the worst of the storm's turbulence by the walls of mammoth evergreens that flanked the river

The foot of Haverstock Hill was blocked by fallen horses, but my brother got onto the Belsize Road.

Everyone moved to the side of the steamboat and looked to the west, but smoke rose and blocked the sun