The river is_25 kiolmetres_ long.(划线提问) ___ ___is the river?

问题描述:

The river is_25 kiolmetres_ long.(划线提问) ___ ___is the river?
how long 还是how far啊,

答案: How long
问长度用 how long
问距离用: how far
有不明白的地方再问哟,祝你学习进步,更上一层楼! (*^__^*)It took me _half an hour_to finish my work.__ ____did it take you to finish your work?这个也是用how long吧?时间的长度~~~对,用how long