It ___be two years before they find the new kind of machine.A.will be.B.has been

It ___be two years before they find the new kind of machine.A.will be.B.has been You ___be here.it will be dangerous.A.mustn't B.should't选择AorB My young brother ___be 15years old next year A is going to B will C is to D should she it for about two years.A bought B has bought C has had 1.Is there a flight to paris this evening?There ___ be .I'll phone the airport and find it out.A.must B.would C.might D.can2.Shall i go and buy two more bottles of beer?No,i've already bought twenty.That ___be enough for us two.A.ought to B.will C.ma we went to hollywood_____ a.for two years b.two years ago c.before tow years It will be 20 years ____ the two friends met in Vietnam.A.when B.before C.since D.that the invention___took her two years will do good to the world.a.which b./ c.on which d.it two years ago 和for two years有什么区别His grandfather has been dead______ A two years ago B for two years our school will be more beautiful______.a.two years ago b.after two years time c.in two years time d.in two years' time when did you come to this city的回答选项A two years before B two years ago C for two years D in two years 要原因 He spent ___ writing the novel.A all two years B two whole years C whole two years D two all years并说明理由. susan has bought a large house with a swimming pool .it ___be very expensiveI never even dream about it a:must b:might c:cannot d:should not l started to----------interested in it two years ago. it took twenty——two years ___（build） It will be two years before we meet again 翻译 they made it two years ago ?（疑问句） Two years has _____ _____(流逝) before we knew it.