几道简单的英语填空题，求高人速度解决！！初二的啊

Question

同义句转换：It's fast and cheap to go to other places by train.
It's fast and cheap to __ __ __ to go to other places.

Most students go to school by bike.
Most students __ __to school.
用介词或副词填空：
They walked quietly and felt the beauty______the old park.
If you want to get there soon,you can go______underground.
The students in our class are friendly ___each other.
What do you think __ your best friend
The __(long)of summer holiday in china is about 8 weeks
速度解答啊，求求各位了！！

Answer 1

It's fast and cheap to go to other places by train.
It's fast and cheap to 【take the train】 to go to other places.

Most students go to school by bike.
Most students 【ride bikes】 to school.
用介词或副词填空：
They walked quietly and felt the beauty 【of】 the old park.
If you want to get there soon,you can go 【by】 underground.
The students in our class are friendly 【to】 each other.
What do you think 【of】 your best friend?
The 【length】 (long)of summer holiday in china is about 8 weeks

祝您学习进步，更上一层楼！！！O(∩_∩)O

Answer 2

1. take the train

2. ride bicycles

3.
1) in
2) by
3) with
4) of
5) length 长度

Answer 3

take a train
ride bikes
in/of
by
to
of
length