Поставьте во множ число pipe roof foot brush

i love summer! this is simply an unforgettable three months of happiness! so it is good when you get up early in the morning and you rejoice in the window the sun! go out into the streets and rejoice the new dark day each day you can bask in the sun and swim in the lake! since parents can go on the sea! summer evenings fine! seems to be not too hot, nor cold, i love summer.

1.  the article having been read we knew the subject much better. b)  так как статья была прочитана; 2.  having stopped the computer he left the shop. d)  остановив компьютер.

3. the operating machine was installed in the shop. a)  работающая машина; 4.  having installed the new computer we obtained the results of the calculations quicker.

a)  установив новый компьютер;