One Friday, we were packing to leave for a weekend away ______my daughter heard cries for help.
Our bodies are strengthened by taking exercises. ____, our minds are developed by learning.
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.