英语语法 the most difficult In the world

英语语法 the most difficult In the world
1.All the students think highly of his teaching (highly在这里作什么成分）
2.We need a place twice larger than this one (twice larger than this one在句子是什么成分）
3.The old man live a lonely life ( a lonely life 在句子是什么成分）
4.The cars made in Japan are better than those in Germany (in Germany 在句子中是什么成分）