英语翻译
1.中国的人口比日本的人口要多得多.
China's population is much ____ _____ ______ of Japan.
2.我们城市的空气比以前差多了.
The air in our city is ____ ______ ______ it was before.
3.海伦工作比玛丽认真得多.
Helen works ____ _____ _____ than Mary.