Choose the world, phrase or expression which best complete each sentence ! 1, In the city, it is difficult to see a vast sky because of many _______ of building ( Blocks/Places/Kinds/tall) 2,Spending too much time in the _____ world may negatively affect your life (real/present/virtual/far) 3,My younger sister fancies _____ picture every weekend (to take,”/taking/took/taken) 4,People in rural areas live ____ than those in cities (simple/more simply/more simple/simpler)