After graduation from college, I started to sell. Soon I discovered that the worried expression I 【小题1】 (wear)since childhood meant sure failure. I knew it wasn't going to be easy to change that expression on my face left by so many years of 【小题2】 （hard）.It called for a plete change in my view on life. Here is the method I tried.
Each morning during a fifteenminute bath, I determined to cultivate a big, happy smile. I found out, however, that it couldn't be a 【小题3】 (force) smile developed just for the purpose of putting dollars in my pocket. It had to be 【小题4】 honesttogoodness smile from down deep inside， an outward expression of happiness from within!
Let's see 【小题5】 starting off with a good fifteenminute training of the smile muscles helped me during the day. 【小题6】 entering an office I would think of many things I had to be thankful for, work up a big smile and then enter. Seldom did it fail 【小题7】 (get) the same smile 【小题8】 return from the person I met. I also found that it pleased people when I passed them on the street to give them a cheerful smile.
Give every living soul you meet the best smile you have ever smiled in your life, 【小题9】 see how much better you feel and look. It's one of the best ways I know to stop worrying, and start living. When I began doing this, I found 【小题10】 more wele everywhere.Had been wearing
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(答案→)Had been wearing
解析：文章介绍作者毕业后做销售工作，但是天生的忧心忡忡的脸让他很难成功，为此作者开始练习每天微笑，对遇到的每个人衷心的微笑，作者得到的回报很多。
【小题1】考查时态：句意：我发现从小时候就有的担心的表情意味着一定会失败。时间状语是since childhood ，而主句是过去时，用过去完成时had been wearing
【小题2】句意：我知道要改变由于多年的辛苦导致的表情不容易。Of后面接名词hardship
【小题3】句意：这种微笑不能是强迫的笑容。Force和smile是被动关系，用forced
【小题4】句意：这应该是发自内心的诚实的友好的微笑。honest是元音开头的单词，用不定冠词an
【小题5】句意：让我们看看每天以十五分钟的微笑训练开始对我有什么好处。用疑问词how
【小题6】句意：在进办公室前，我会想一些让我感谢的事情。用连词before
【小题7】考查fail to do没能做…，这个词组，填to get
【小题8】句意：很少情况我没有得到回报的微笑。In return做为回报
【小题9】句意：给每个你遇到的人你的微笑，看看你看起来和感觉有多么好，这两句话是并列的，用and
【小题10】句意：我发现自己到处都收到欢迎。填myself