1.I don't have to introduce him to you ____you kown the boy.
问题描述：
1.I don't have to introduce him to you ____you kown the boy.
A.until B.unless C.since D.but
2.I got a good present on my ____birthday.
A.nine B.ninth C.the nine D.the ninth
3.I___to take part in the English speech contest last week.
A.ask B.asked C.am asked D.was asked
4.Xiao Wang,___will it take to fly to Guangzhou?
A.how far B.how soon C.how many D.how long
第四题好象有争议,但答案是D,这
答
1、C 、since 有因为的意思、因为你知道他,所以我不用把他介绍给你了
2、B 、序数词前面加限定词, 比如my,his, her 等,或者是the ,有了其中一个,就不用再加了. 在我的第九个生日（派对）中,我得到了一份好的礼物
3、D是被动语态,我是被要求的,last week ,是过去的所以用过去被动语态、上个星期,我被要求去参加英语演讲比赛
4、B、小王,飞往广州需要多久? will 是将来时态,用howsoon ,来表示多久