. (·江西名校模拟) —I’ve heard they went skiing in the mountains last winter.—It true becaus

问题补充：

. (·江西名校模拟) —I’ve heard they went skiing in the mountains last winter.

—It true because there was so little snow there then.

A. may not be

B. won’t be

C. couldn’t be

D. mustn’t be

答案：

A. may not be

B. won’t be

(答案→)C. couldn’t be

D. mustn’t be

解析：词义辨析。may not be可能不是；won’t be不会是；couldn’t be不可能是；mustn’t be不应该是。句意：我听说去年冬天他们去山上滑雪了。不可能是真的因为那是时那里几乎没有雪。所以选C。