语法填空 阅读下面短文, 按照句子结构的语法性和上下文连贯的要求, 在空格处填入一个适当的 词或使用括号中词语的正确形式填空. We often hear people say, 'Never give up.'These can be __ 1 __(encourage)words and words of determination.A person who believes in them will keep trying to reach his goal no matter how many times he __ 2 __(fail)．In my opinion, the quality of determination to succeed is an important one to have.Therefore, I believe that we should never give up. One reason is that if we give up too __ 3 __(easy), we will rarely achieve anything.It is not unusual for us to fail in our first attempt at something new, __ 4 __ we should not feel discouraged and should try again.Besides, if we always give up when we fail, we will not be able to develop new skills. Another reason we should never give up is __ 5 __ we can learn from our mistakes only if we make a new effort.If we do not try again, the lesson we have learned __ 6 __(waste)．Finally, we should never give up because as we work __ 7 __(reach) our goals, we develop confidence, and this confidence can help us succeed in __ 8 __ areas of our lives.If we never challenge ourselves, we will begin to doubt our abilities. In short, it is important that we do not give up when working __ 9 __ our goals.Whether we succeed in the end or not, we will learn something, and what we learn will help us to become more confident people.Furthermore, if we give up, we will have __ 10 __ chance of attaining our goals, but if we keep trying, there is always a chance that we will succeed one day.