He suggested a link between class size and test results of seven-year-olds.他认为7岁大的学生的测试分数和班级的规模有关系。Snow Puppies is a ski school for 3 to 6-year-olds.“雪狗之家”是一所针对3至6岁儿童的滑雪学校。More than a quarter of seven year-olds cannot ad...
He suggested a link between class size and test results of seven-year-olds...他认为 7 岁大的学生的测试分数和班级的规模有关系。Ten year-olds are incredibly energetic.10岁的孩子精力格外旺盛。He suggested a link between class size and test results of seven-...