21¡¢Don’t go very far£® Stay _________ shouting distance£®

A£®over         B£®off            C£®within          D£®at

22¡¢Think twice before you make a decision on this matter£® It will make _______ to your life£®

A£®no difference  B£®a difference     C£®little difference  D£®difference

23¡¢I felt greatly honored _______ into their society£®

A£®to welcome   B£®welcoming      C£®to be welcomed   D£®welcomed