第1个回答 2013-08-08
It is a 20-minute walk from my home to the school.
第2个回答 2013-08-12
It takes about twenty minutes' walk from my home to school.
第3个回答 2013-08-11
My home is about twenty minutes' away from school.
第4个回答 2013-08-14
The distance takes about 20 minutes from my home to school.