2. 外语
  3. Mary’s score on the test is the highest in her class; she______have studied very hard.

Mary’s score on the test is the highest in her class; she______have studied very hard.

admin2014-03-21  58
问题 Mary’s score on the test is the highest in her class; she______have studied very hard.
选项 A、may
B、should
C、must
D、ought to
答案C
解析 情态动词。must have done表示对过去的肯定推测，根据句义可知前后半句为肯定的因果逻辑关系，而且后面的行为发生在前面的行为之前，故选择C。
转载请注明原文地址:https://www.kaotiyun.com/show/aGUK777K
0

专业英语四级

相关试题推荐
随机试题
最新回复(0)