Bob with his sister often plays volleyball.这句话为什么用"plays"

Bob with his sister often plays volleyball.这句话为什么用plays Bob,with his parents ( ) going to Hawaii? He got on well with his sister. He _____ (argue)with his sister now. Bob,brother,to,school,his,goes,with,连词成句 Jack will spend his Christmas with his sister. Bob __ a letter from his sister.A,hear B,heard C,got D,receivesWhy? Bob is parents have a child.But the child is neither his sister nor his brother.Who is the child?A.Jeff B.Tom C.Bob D.Alice Does his sister with glasses? Does his sister wear glasses? 哪个对 his sister Bob stayed at home with his mother because he had no f---- to play with首字母 not,good,his,sister,with,is,Bill连词成句 Tom with his sister _________their homework now.填空 ( )Mike sometimes( ){go}to the park with his sister? has,he,help,to,his,with,sister,her,math 英语改错题：David watching TV with his sister now Peter _ (not play) computer games with his sister.填空 His sister talks with Mike in English哪里错了?