题目内容：

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

优质解答

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.