Do you know why Nelson Mandela _________ violence to make black and white people equal?

There are varieties of programs in the TV station to ________ many different types of interests and tastes among the public.

As the housing price goes up rapidly, many young couples don’t know what to      it.

----How about 8:00 pm outside cinema? ----That ________ me fine.

When the market economy is introduced, many factories will not      .