How many brothers and sisters does he/she have?do you have any brothers or sisters?How many brothers and sisters does he/she have?do you have any brothers or sisters?苏教版教材6B中的两句话,为何一个是or,一个是and?

问题描述:

How many brothers and sisters does he/she have?do you have any brothers or sisters?
How many brothers and sisters does he/she have?
do you have any brothers or sisters?
苏教版教材6B中的两句话,为何一个是or,一个是and?