Shanghai's roads were (narrow) in th e past.对括号单词提问.答案是What were Shanghai's roads in the past,为什么,形容词不是用How提问吗?

Shanghai's roads were (narrow) in th e past.对括号单词提问.答案是What were Shanghai's roads in the past,为什么,形容词不是用How提问吗?
Shanghai's roads were (narrow) in th e past.对括号单词提问.
答案是What were Shanghai's roads in the past,为什么,形容词不是用How提问吗?

Shanghai's roads were (narrow) in th e past.对括号单词提问.答案是What were Shanghai's roads in the past,为什么,形容词不是用How提问吗?
你的观点是正确的,应该用how