柏拉图认为唯一真实的知识必须是和下列哪一项内容相关的()
A、感官
B、意见
C、概念
D、物质
参考答案:C
Tom搬进了漂亮的新家,请你根据图片为我们介绍一下他的新家吧!
This is my new h . I want to show you the r in my house. My house has three b ,
two b , a k , and a l . It is big and beautiful! I like it very much!
I soon found that the work I was doing ____ by someone else — in other words, I was wasting my time.
A.had already been done
B.has already been done
C.would be done
D.have already been done