火眼金睛。请找出下列病句中的一处错误,并把序号填在横线上。
_______tall building it is!
( )—________ we ask you some questions? —Sure, go ahead!
( ) —________ I finish the work today? —No, you ________.
( ) This book ________ Lucy’s. Look! Her name is on the cover.
( ) (7) John ________ come to see us tonight, but he isn’t very sure yet.