首页 > ----- Mary looks very upset. She _______ failed to pass the exam. ----- I guess so. It's very d
----- Mary looks very upset. She _______ failed to pass the exam. ----- I guess so. It's very d
题目简介
----- Mary looks very upset. She _______ failed to pass the exam. ----- I guess so. It's very d
题目详情
----- Mary looks very upset. She _______ failed to pass the exam. ----- I guess so. It's very difficult after all. A must have B could have C should have D might have
题型:单选题难度:中档来源:不详
答案
A
本题考查情态动词的用法。句意:玛丽看起来很沮丧。她一定没有通过考试。must have done过去一定做过某事。
题目简介
----- Mary looks very upset. She _______ failed to pass the exam. ----- I guess so. It's very d
题目详情
----- I guess so. It's very difficult after all.
A must have B could have C should have D might have
答案