Unit 6 When was it invented?考点总结

N 6考点总结 1. 关于invent的考点总结 ⑴ 词性 含义 派生词 invention inventor ⑵ 被动Who was it invented？ ⑶ 形近词invite 派生词 句型 2. with pleasure和It’s a pleasure./My pleasure.的区别 ⑴ --Will you please help me to carry this box –With pleasure. I’m more than happy to do it. ⑵ --Thanks for helping me. –It’s a pleasure. / My ple...