1 . I had difficulty __________(使适应) myself to life in big cities. (根据汉语提示单词拼写)

2 . Christmas is a special holiday when the whole family are supposed _____(get) together.（用所给单词适当形式填空）

3 . Most people prefer _____ money _____ it .

A．spending ; to earning	B．to be spending ; to be earning
C．to spend ; to earn	D．having spent ; to having earned