An earthquake killed over fifty people in this area, ______ hundreds of people homeless.
The computer, ______________ help we human beings have stepped into the information age, should be made full use of to promote the social development.
Customers are asked to make sure that they ____ the right change before leaving the shop.
Because the two countries were at _____ war, the people had ______ hard life.
—-______ —Certainly, it is my great pleasure.
Hurry up! The shop __ in five minutes.