选择适当词填空
1.The family usualy goes to the park togeter __＿＿＿Sunday afternoon．（1．at 2．in 3．on 4．for）
2．people should always be ＿＿＿each other．（ 1．friendly 2．friendly with 3．friendly for 4．friendly to）
3．we usually do ＿＿＿homework together．（1．our 2．us 3．we 4．ours）