问题补充:
I think that very difficult to learn.
A. the politics is
B. politics is
C. politics are
D. the politics are
答案:
A. the politics is
(答案→)B. politics is
C. politics are
D. the politics are
解析:冠词考查题。在表示学科的名词前不用冠词,本题中politics指政治学科不用冠词,故选B。句意:我认为政治课不难学。