题目内容
4.-Bob,where is Linda?-She be in the library,but I am not sure.( )
| A. | must | B. | may | C. | need | D. | has to |
分析 翻译:-鲍勃,琳达在哪里?
-她可能在图书馆,但是我不确定.
解答 根据答语"but I am not sure"说明把握性不大.must一定,很有把握;may可能,把握性小;need和has to没有表推测的用法,
故选:B.
点评 首先理解句意,然后根据情态动词的用法选出即可.
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