рассчитайте объём водорода н .у который выделится при взаимодействии 4 9 г серной кислоты (H2SO4) с цинком 

вставьте притяжательные местоимения 1.Jim has got a lot of friends.He ofteh visits.....friends.2.Jane washes........face and hands.3.The boys do......homework.4.I like to play with........friends.5.My sisters take .....books to school.6.Nick doesnt like to wash.....hands.7.Boys you must wash.......hands.8.The boys must wash.....hands.9.Little Ann would like to wash .....hands.10.I get up wash.....hands and have breakfast.Then I clean........teeth.