1:单项选择 --Why were you late yesterday morning? --It was ----

1:单项选择 --Why were you late yesterday morning? --It was ____ I overslept. A.because B.because of1:单项选择--Why were you late yesterday morning?--It was ____ I overslept.A.becauseB.because ofC.whatD.why2:单项选择His room needs ____,so he must have it ____.A.painting;paintedB.painted;paintingC.painting;paintingD.painted;painted3:翻译句子今天邀请到格林先生来参加这个会议,我们深感荣幸.____ ____ ____ ____ ____ invite Mr. Green to come to the meeting.我要答案和理由（原因、为什么）.提示：It's an honor to do sth.做某事感到荣幸。