The_______(封面)of those books are very beautiful

The_______(封面)of those books are very beautiful Those are beautiful pictures. Those books are for______________. Are those books (your) Those books are for Are those ______ books some of his books are very exciting What are those?________(those)are books. 单词 comic books are those? those are our chinese books those are your books ,_____? Those birds are very beautiful.变成感叹句,两种（what,how）.