— You ________ supposed to be here much earlier, Bill. — Sorry, sir. I got caught in a traffic jam o...
2022-10-02 10:51:50 30次 译林牛津版2016-2017学年高一英语：必修一unit Growing pains练习 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
— You ________ supposed to be here much earlier, Bill.
— Sorry, sir. I got caught in a traffic jam on the way.
A. are B. were
C. have been D. had been
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