Professor Li has earned a world ____ with his pioneer research in biochemistry.
—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 children to do ______ much work in ______ a short time.
This new-type machine____________ little room.