2. 专升本
  3. —"Have you seen Mary today?" —"No, I think she______ away on her vacation. "

—"Have you seen Mary today?" —"No, I think she______ away on her vacation. "

admin2010-12-30  78
问题 —"Have you seen Mary today?" —"No, I think she______ away on her vacation. "
选项 A、must be
B、may have been
C、must have been
D、might have been
答案C
解析 表明对过去事情的猜测，表示一定，语气要比may和might强烈。must be是表示对现在或将来的推测。
转载请注明原文地址:https://kaotiyun.com/show/3pLC777K
本试题收录于： 英语题库普高专升本分类
0

英语

普高专升本

相关试题推荐
随机试题
最新回复(0)