_______ difficulty we meet with, we must finish it on time, because the opportunity is_______ valuable.
Can you believe that in ____ a rich country there should be ___many people.
---The window is dirty.----I know. It ______ for weeks.
Our headmaster will __________us in the discussion this afternoon.
She _______ you for your money, but not for love.
The villagers went out to the mountain __________ the missing child.