改同义句they both study very hard2her hair is longer than emma3my sister is hard working

题目

改同义句they both study very hard2her hair is longer than emma3my sister is hard working
4art is not as important as chemistry5little tom plays chess well急快

答案

Both of them study very hard.Emma's hair is shorter than hers.My sister works hard.Art is less important than chemistry./Chemistry is more important than art.Little Tom does well in playing chess....