题目内容
3．-Nathan likes his job because he enjoy the beauty of nature．（ ）| A． | can | B． | must | C． | should | D． | is supposed to |
分析 楠森喜欢他的工作，因为他可以欣赏大自然的美丽．
解答 can"可以"；must"必须"；should"应该"；is supposed to"应该"．由句子Nathan likes his job可知，可以欣赏大自然的美丽是他喜欢工作的原因．故选：A
点评 情态动词本身有一定的词义，用来表示说话人的情绪、态度或语气，所以了解句意是判断情态动词用法的关键．
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