I would rather buy a house in the countryside than ______ in the city.

The nutrients in _____falls into the ocean quickly become available to other living creatures.

 _______breaks the law will be punished.

—Do you have The War of the World?—Yes, but no more than one copy. Would you like to take _______?

Mr. Zhang gaVeall textbooks to all the pupils, except___________ who had already taken tem.