高手请看这选择题 the three girls in this group are said ____

高手请看这选择题 the three girls in this group are said ____ 求救 the three girls in this group are said ____ The three boys in this group are said_______. This group of girls often --------in the park. 英语高手的来1.A group __boys and girls are dancing in the park.A.w There are three girls in the library.在three girls这里划线提问, There are three girls （in） the first picture. what are the three girls doing?they are ____ ____the street. a half of girls()in the classroom 填 is 还是are a group of girl there are three hundred ____ in this factory. There are three girls in the office.用three提问,急 One-third of the students in this class are girls.这句中的主语为什么是