高等继续教育 / 大学英语语法
正确率：100%
题型描述: 单选题
He didn’t do well in the exam. He ＿＿＿＿＿ hard at his lessons.
A.would have worked
B.should work
C.ought to have worked
D.must work
He didn’t do well in the exam. He ＿＿＿＿＿ hard at his lessons.
A.would have worked
B.should work
C.ought to have worked
D.must work
参考答案：
佳题速递：