4complete the text with the present passiveor past passive form of the verbs inbrackets.revisioday.fup.ney.orkets.the sydney opera house (1) (situate) nextto the city's harbour. it isn't just for operas - it(2) (use) for concerts and plays too. theopera house (3) (design) by the danisharchitect jørn utzon. the construction work( (start) in 1958, and the opera house (5) (complete) 15 years later. it (6) (open)by queen elizabeth ii in 1973. the roof (7) (make) of concrete, and it (8) (cover) withmore than a million white tiles.