翻译成英语；1，爷爷一个人住在大房子里，但他从来不感到孤独

My grandpa lives in a big house alone, but he never feels lonely.
The population of the world in the 20th century is larger than that in the 19th century,
She looks less younger than Mary.
Take care! This road is more and more dangerous.
Though she doesn't talk much, she makes some friends here.
He is getting better and better.
望采纳

1.My grandfather lives alone in a big house, but he never feels lonely
2.20th century much more of the world's population than in 19th century
3.She looks younger than Mary
4.Beware of this road became dangerous
5.Although she doesn't talk to people, but she made some friends here
6.His health is getting better and better

1, grandpa lives alone in a big house, but he never feels lonely
2, 20 century, the world's population is much larger than that in the 19th century
3, she looks younger than Mary
4, be careful the road more and more dangerous
5, even though she wasn't talking to people, but she made a few friends here
6. He is physically get better day by day