— I heard they went skating in the mountains last winter. — It true because there was lit

问题补充：

— I heard they went skating in the mountains last winter.

— It true because there was little snow there.

A. may not be

B. won’t be

C. couldn’t

D. mustn’t be

答案：

A. may not be

B. won’t be

(答案→)C. couldn’t

D. mustn’t be

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