Урр .170 употребить подчеркнутыe существительные в форме множественного числа. 1.my sister is a pupil. (подчеркнуто sister)2.his friend has got three three pets. (подчеркнуто friend) .3.the child plays the piano every piano every day. (подчеркнуто child.4. the sportsman goes there in summer. (подчеркнуто sportsman) in summer. 5.my granny is from smolensk. (подчеркнуто granny)