2. 外语
  3. He didn’t come yesterday. He ______ busy working in the lab.

He didn’t come yesterday. He ______ busy working in the lab.

admin2011-01-14  33
问题 He didn’t come yesterday. He ______ busy working in the lab.
选项 A、must be
B、would have been
C、must have been
D、would be
答案C
解析 本句的时间状语是“昨天”，意思是：“他昨天没来，一定是忙着在实验室工作。”Would have done表示与过去事实相反的假设的虚拟语气，而must have done表示对过去的肯定推测。因此选C。
转载请注明原文地址:https://jikaoti.com/ti/ZAnYFFFM
0

成人本科学位英语

相关试题推荐
随机试题
最新回复(0)