快来看看，真是好题2
1 ________a mobile phone can you ring_____you want to talk anywhere. A Using;whoever B Only on;whomeever. C.By;whomever D.With;whoever 2.Is this reserch center______you visited the modern equipment last year? A.where B.that C.the one that D.the one where
定语修饰the one，此处不能省略
B D
BC
B C
B,B
B、C
答：B 被动语态，be found to do. A中的made与found均为过去分词，冲突！详情>>
问：hArd work 和hArd--working有什么区别
答：一个是名词 一个是形容词撒详情>>
