That book is a story book .That book has a red cover .(合并) That book ——has a red cover ___ a

问题描述:

That book is a story book .That book has a red cover .(合并) That book ——has a red cover ___ a
我写在下面:storybook

That book is a story book .That book has a red cover .(合并)
That book 【which 】has a red cover 【is 】a storybook .
带红色封面的那本书是一本故事书.