1.The famous building was destoried three years ago .
2. He is considering how to spend the National Day.
3.Although he was ill yesterday , he came to school.
4.The visiting to Mountain Tai for me is a very interesting experience.
The renowned building was destroied three years ago.
He is considering how to celebrate the National Day.
He went to school yesterday, though he was ill.
The trip to Mount Tai is a very interesting experience for me.
The famous building was destoryed three years ago.
He is considering how to celebrate the National's Day.
He came to school yesterday,although he was ill.
The tour in Taishan is an interesting experience to me.
that famous building was destroyed three years ago
he is considering how to spend his National Day
though he was ill yesterday,he still came to school
Travelling to Taishan Mountain is an interesting experience for me