They have come to the conclusion ,based on the signals and photographs sent back by the satellite,______there is no life on Venus.A that B which C in that D of which选什么？为什么？帮忙分析下语法结构~

They do not have to come.（改为同义句） They ___not come. They have listened to me.They come in.合并为一句 They have go to help her和They have come to help her.如果不对说明理由 they have come bake to you now 为什么have后面加do的形式?不懂 Happiness will never come to those who fail to appreciate what they already have. Then we come to C_____ Day.It's December 25th.Then we have winter h______ in February. ---They have discussed the problem for hours .---have they come to any____ 为何是conclusion 而不能填result 英语翻译为什么要用have,不直接They come here on purpose to see you. It is well known to all,they have done colour printing in China since the 12th century修改病句 Trayn and Jeff Have ever been friends.But when they go up to the 6th grade,everything changes.翻 have they come back yet意思 英语翻译It's my 12th birthday today.So I get up early.When I have my breakfast,my classmates come.They give me some cards and presents.I am so happy to see them.We go to play tennis.Ten we eat McDonald's.这是要翻译的. Lucy and Lily can speak Chinese well,because they ___ China for six yearsA.have been toB.have been in C.have come to D.have gone to they are ready to come to our Friend：they came home late.You：It was inconsiderate of them 《to have came》 home late.为什么不是to come Happines will never come to those who fail to appreciate what They already have请给我翻译一下 let is-----lunch until they all come back A have B not have C not to have D dont have 选哪个 为什么They have come.come是原形而They have gone.gone就不是原形