题目内容
2．-Shall we go skating after school？-Sorry，I ______ be at home（ ）
| A． | must | B． | may | C． | can | D． | could |
分析 --放学后我们去滑冰好吗？
--抱歉，我必须呆在家里．
解答 答案：A．
may可以；can能，可能；must一定，必须；could，can的过去式．根据Sorry，可知不能去滑冰，言外之意必须呆在家里．must一定，必须．故选A．
点评 本题考查了情态动词的用法．熟知句意以及所给选项的意思是解答本题的关键．
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| Pick-a-Pet Checklist | ||
| Pets | Good Points | Bad Points |
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