The train had not come yet and the man ______ his watch anxiously.
Both of the beds they ordered online arrived, but ______ fit through the doorway.
—How long have you been here? — ______ the end of last month.
Evidence has been piled up ______ drinking water after getting up in the morning contributes to one's health.
I'll bring some medicine just ______ some of us get sick while travelling.
His ______ of mind during driving nearly caused an accident.