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Oh, it's raining again. Why it always rain on weekends? [ ]A. canB. mayC. mustD.

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Oh, it's raining again. Why it always rain on weekends? [ ]A. canB. mayC. mustD.

Oh, it's raining again. Why ______ it always rain on weekends?  [      ]A. can
B. may
C. must
D. should

试题答案

C