7、ou’reready.你什么时候准备好我就开始。常用的句型:begin to do与begin doing一般来说,begintodo和begindoing可以互换,但在以下三种情况下,用todo。2cUsetheinformationin2atoretellthestoryinaconversationbetweentheboyandaTVreporter.TVreporter:Telluswhathappenedyesterdaymorning.Boy:…TVreporter:So,whentherainstorm