My father has been a computer engineer____1995a.in b.before c.for d.since

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• My father has been a computer engineer____1995a.in b.before c.for d.since
• 1.Between the two language labs()a computer room A.is B.are C.have D.there are2.My father likes traveling.He has()abroad for many timesA.been to B.gone to C.been in D.been3.()our class teacher gave usA.What a good advice B.How good the advice C.What good advice D.How good this piece of advice4.Mum usually reads newspaper after supper.But this evening she()(go)to the cinema.She left ten minutes ago
• My father has been a computer engineer____1995
• tom is having an english class 对划线部分进行提问(an english class 划线部分)
• My father has been an engineer for twenty years.(保持句意不变)My father has ___ ___ an engineer for twenty years.这题的空格中该怎么填?