1.Kites,whichoriginatedfromChina,aresaidtoancientMexicothousandsofyearsagobytradersfromAsia.A.tobedeliveredB.tohavedeliveredC.havingdeliveredD.tohavebeendelivered这道题选D,重点讲解以一下为什么用完成时

Question

1.Kites,which originated from China,are said _____ to ancient Mexico thousands of years ago by traders from Asia.
A.to be delivered B.to have delivered C.having delivered D.to have been delivered
这道题选D,重点讲解以一下为什么用完成时,然后再帮忙把整句话翻译一下
2.I believe that the time isn't far away _____ the Chinese astronaut will land on the moon.
A.when B.that C.before D.which
这道题选A,为什么啊,这种东西怎么分析啊
第二道题为什么不用B或者D啊

Answer 1

1.风筝 ,起源于中国,据说千年前由旅行商人从亚洲带到古老的墨西哥.风筝被传到墨西哥,很明显 这里要的是一个 完成时的被动形态（完成时表已发生过的事~）.所以选D2.这句话其实考的是个定语从句啦~the time （when the...