题目内容
14．-That black T-shirt which has Messi's picture on it______be David．He admires him a lot．-It _____ be his．He prefers black to other colours．（ ）
| A． | must，can't | B． | may，can't | C． | may，must | D． | must，mustn't |
分析 -那件上面有梅西图片的黑色T-恤可能是大卫的．他非常喜欢梅西．-这一定是他的，他喜欢黑色，不喜欢其他颜色．
解答 正确答案：C．根据He admires him a lot．可推测那件上面有梅西图片的黑色T-恤可能是大卫的，表示对现在情况的一种可能性推测，其结构是may+动词原形，则第一空应填写may．其次根据He prefers black to other colours．可知他喜欢黑色，不喜欢其他颜色，可推测出这件衣服一定是大卫的，表示对现在情况的肯定推测，其结构是must+动词原形，则第二空应填写must，故选择C．
点评 本题考查情态动词，基础题，掌握情态动词表示推测的用法，再根据题干即可作出选择．
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