题目内容
14．--Mom， you smell something burning？--Oh dear！（ ）
| A． | must | B． | can | C． | should | D． | need |
分析 --妈妈，你能闻到东西烧焦了吗？
--哦，天哪！
解答 答案：B．must一定，必须；can能，会；should应该；need需要．根据you smell something burning，可知这里只是表示一种可能性，故选B．
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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