阅读短文，用方框内所给单词的适当形式填空，使短文意思通顺、完整。（注意：①每个单词只能用一次。②其中有两个多余选项。）
line, cigarette, man, smoke, annoy, anything, careful, cough, wait, polite, because, what
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I went to the doctor's yesterday ____ I had a bad cold. I have ____ for three days, so I had a sore throat. When I got there,m there were many people ____ inline. I had to join the line at the end. But the man who was in front of me was____ there. The smoke made me sick. I wanted to stop him but I was afraid he would get____ . But I really couldn't stand it. So I told him ____ , “Would you mind smoking outside?” After hearing what I said, the man threw the____ on the ground and said to me, “Sorry.”I thought it was bad to do so, but I said ____ and picked up the cigarette. Seeing what I was doing, the ____ face turned red and felt very sorry about ____ he did. He turned to me and said, “You are a good girl. I won't do that again.”
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，∠ABC=45°，求OH的长．