(скоро зачет)
vii. выберите правильный вариант и закончите предложения :
1.) artificial building materials are made варианты : (a) of wood. (b) of brick .
2.) buildings made of stone are варианты : (a) indurable. (b) durable .
3.) the coverings or upper parts of the building are called варианты : (a) ceilings. (b) roofs .
4.) the exterior of a building must be варианты : (a) with superfluous(или superflu-ous не понятно в книге край странице и переходит на новую строку) (b) simple
5.) the water supply and sewerage systems are called варианты : (a) heating , (b) plumbing.