题目内容
17.He isn't at home.He's away on business.分析 他不在家,他出差去了.
解答 答案:business.考查名词.句意"他不在家,他出差去了.".结合语境"他不在家,他____.",及首字母提示,可知应该是on business出差.因此用名词business.
点评 首字母填空类型题要充分理解句意,再根据首字母提示完成试题,注意时态,单复数,词性等变化.
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