问题
选择题
“I heard they went skiing in the mountains last winter.” “It _________ true because there was little snow there.”
A．may not be
B．won’t be
C．couldn’t be
D．mustn’t be
答案
答案：C
C，主要由下文的 because there was little snow there 这一语境所决定，既然“没下什么雪”，那么“滑雪”就应是“不可能”，所以选 couldn’t be，即选C。