My English teacher gave us a suggestion yesterday is often the case our monitor organiz

问题补充：

My English teacher gave us a suggestion yesterday, is often the case, our monitor organize a debate after class.

A. which, which

B. which, that

C. as, that

D. as, which

答案：

A. which, which

B. which, that

(答案→)C. as, that

D. as, which

解析：这题考察定语从句，第一空填as引导非限制性定语从句，指代前面的句子，第二空填that是引导同位语从句。句意是：我的英语老师昨天提了个建议让班长就像往常一样组织一次辩论。