题目

The traffic is heavy this day, I  _____ arrive a bit late, so could you save me a place?  A. can                           B. must                    C. need.                      D. might  答案：D 解析: 考查情态动词表猜测。A 项can 常用于疑问、否定的猜测句；must一定的意思表示很肯定的猜测，而此处的语境应该是或许，大概之意，故选D.

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