Period Three Grammar基础落实Ⅰ.用适当的关系词填空1.Do you still remember the day ________ we visited the museum?2·1·c·n·j·y2.This is the reason ________ he explained for his carelessness in his work.3.The house ________ I once lived has been pulled down.4.There are some questions,some of ________ I think are difficult.5.I have some good friends to ________ I’m going