The guy is always running ______ the other cars on the road, unfortunately he ran his car ______ a tree.
--- Why didn’t you go to the dance last night? --- If I tired, I would have.
I can hardly imagine myself _monitor of our class.
There was so much smoke in the factory the workers were working _the firefighters couldn’t see clearly.
After graduation, he worked as a lawyer, .
The chair was too weak to Mr. Smith.