题目内容
15.It rained heavily,so we _______ stay at home watching TV or surfing the Internet all day.( )A. | could | B. | had to | C. | must |
分析 天下着大雨,因此一整天我们只能呆在家里看电视或上网.
解答 答案:B.根据It rained heavily,可知"天下着大雨",所以只能呆在家里看电视或上网,表示的客观的原因,have to表示客观的原因,意思为"不得不,必须",故选B.
点评 本题考查情态动词的用法.解答时注意have to表示客观的原因,意思为不得不,必须.
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