题目内容
19．--Are you free tonight？--Sorry，but I'm not ．I've got so much homework to do （ ）
| A． | busy | B． | comfortable | C． | available |
分析 --今晚你有空吗？
--抱歉，我没有空，我有那么多的作业要做．
解答 答案：C．
首先明确选项中形容词的意思，A：忙碌的；B：舒适的；C：有空的； 根据语境I've got so much homework to do 推测设空处的句意是"抱歉，我没有空"，由此判断句子中缺少"有空的"一词，故答案为C．
点评 了解每个选项的含义是做好此类题型的关键，还要从句意着手，根据句意作出解答；所以，平时的学习中要多进行积累词汇，才能很好的完成．
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