题目内容:
John’s score on the test is the highest in the class; he _____ last night.
Amust study
Bshould have studied
Cmust have studied
Dis sure to study
答案解析:
John’s score on the test is the highest in the class; he _____ last night.
Amust study
Bshould have studied
Cmust have studied
Dis sure to study