The boys,Dudi and Gani,run back and forth between two points A and B at a constant speed without stopping.Dudi,s speed is 1.5 times Gani,s speed.Dudi runs from A to B while Gani from B to A.They both start at the same time.the two boys meet for the f

The boys,Dudi and Gani,run back and forth between two points A and B at a constant speed without stopping.Dudi,s speed is 1.5 times Gani,s speed.Dudi runs from A to B while Gani from B to A.They both start at the same time.the two boys meet for the f Two boys,Dudi and Gani ,run back and forth between two points A and B at a constant speed .Two boys,Dudi and Gani ,run back and forth between two points A and B at a constant speed without stopping.Dudi's speed is 1.5 times Gani's speed.Dudi runs fro The Boys and Girls 歌词 Rearrange the boys and girls的意思 填空 the boys and girls .playing.填空 the boys and girls .playing. The boys and the grils often play the football.改正 The boys and girls eat in the schoolThe boys and girls eat ( 选择well good fun nice ) in the school four boys behind one boy and are boy in the middle .how many boys? four boys behind one boy and are boy in the middle .how many boys? Boys and girls enjoye themselves on the school Please don't k_____ on the desk,boys and girls. Look Some boys and girls are running on the . the girls and boys are all chinese.有错误吗 All the boys and girls should behave _____(polite) the group ()()()() 由.组成10 girls and 12 boys Take turns __ the classroom,boys and girls.(clean) The boys played ,and they lost their keys(care). 提问 the man and the boy are drinking water如果是boys.应改成 the man and boys还是these boys?