He left a good impression on me________ I saw him.
—Do you regret paying 500 dollars for your necklace? --No, I would gladly pay__________ for it.
__________ it rain, the crops_____________.
--You forgot your keys when you left home in the morning. --Good heavens,___________.
It is impossible for____________ little room.
It is impossible for ______ little children to do ______ much work in ______ a short time.