Period One本本课课栏栏目目开开关关Period One本本课课栏栏目目开开关关话题导入话题导入Period One本本课课栏栏目目开开关关话题导入话题导入Period One本本课课栏栏目目开开关关话题导入话题导入Period One本本课课栏栏目目开开关关话题导入话题导入Period Onebecame a main language the history of theEnglish language本本课课栏栏目目开开关关话题导入话题导入Period One本本课课栏栏目目开开关关话题导入话题导入Period One本本课课栏栏目目开开关关Period One本本课课栏栏目目开开关关Period One本本课课栏栏目目开开关关Period Onejourney trip travels voyage tour 本本课课栏栏目目开开关关Period One本本课课栏栏目目开开关关Period One本本课课栏栏目目开开关关Period Onebase on at the base of base in is based on 本本课课栏栏目目开开关关Period One本本课课栏栏目目开开关关Period One本本课课栏栏目目开开关关Period OneC 本本课课栏栏目目开开关关Period One本本课课栏栏目目开开关关Period One本本课课栏栏目目开开关关Period One本本课课栏栏目目开开关关Period Onecome up with came to come up to come along come out 本本课课栏栏目目开开关关Period One本本课课栏栏目目开开关关Period One本本课课栏栏目目开开关关Period OneB now at present attended were present at were given to were presented to 本本课课栏栏目目开开关关Period One本本课课栏栏目目开开关关Period One本本课课栏栏目目开开关关Period OneB make full use of make good use of 本本课课栏栏目目开开关关Period One本本课课栏栏目目开开关关Period One本本课课栏栏目目开开关关Period One本本课课栏栏目目开开关关Period OneA a number of a number of the number of 本本课课栏栏目目开开关关Period OneA 本本课课栏栏目目开开关关Period One本本课课栏栏目目开开关关Period Oneeven if/though he is very busy Even if invited 本本课课栏栏目目开开关关Period One本本课课栏栏目目开开关关Period One原因状语原因状语 定语定语 those 期间，英语不那么像德语了，因为那时的英国统治者期间，英语不那么像德语了，因为那时的英国统治者起初讲丹麦语后来讲法语起初讲丹麦语后来讲法语 然后，渐渐地，大约在公元然后，渐渐地，大约在公元800年到年到1150年年本本课课栏栏目目开开关关