2. 外语
  3. Today American parents are finding themselves in a dilemma about how to deal with teenage drinking, a serious social problem. A

Today American parents are finding themselves in a dilemma about how to deal with teenage drinking, a serious social problem. A

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问题     Today American parents are finding themselves in a dilemma about how to deal with teenage drinking, a serious social problem. A recent survey has【B1】______that 92% of high school seniors have tried alcohol at least once and two-thirds take a drink once a month. Alcohol has resulted in a lot of teenage car【B2】______, as well as suicides and murders. Parents are【B3】______ why they can’t keep their children from drinking. Now many are beginning to conclude that it is not the kids but the parents who should be held【B4】______their permissive attitudes. Some parents find that【B5】______attitudes and methods are impractical and ineffective. They try to teach their children to drink responsibly. Many parents believe that supervised drinking is a safe【B6】______.
    However, an increasing number of parents fear that this will endanger(危及)their children’s safety. Therefore, hardliners are【B7】______to form a united front to lay down common rules to be【B8】______ enforced. And the most popular method in some communities is what they call "safe homes", where unsupervised parties with alcohol are【B9】______. The hardliners think that in this way their children will learn【B10】______, but experts and educators fear that such attitudes might result in complete resistance from the children. Both sides agree that teenage drinking can be dealt with if no excessive drinking attitudes are established early, and supported by school authorities.
【B3】
选项
答案wondering
解析 空格前的系动词are及空格后的从句提示，空格处应为行为动词的现在分词形式，与are一起构成完整谓语。wonder意为“想知道”。
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