Underlined the mistakes and correct

    Underlined the mitakes and coreect.,.                              1 yesterday, julia's mother is on the beach                      2.were peter's bother at the zoo.                                       3.why was your children happy.                                         4.there we're a desk and two chair's in the room             5.how many stars was there in the sky last night.         6.last year, Susan we're in class 4a.                                  7.where was your sons yesterday.                                     8.the cat and the dog was on the table