题目内容：

They think this book intersting=This book___ ___to___interesting.
The French have to be well fed before they discuss anything=They___ ___ ___the French well before they discuss anything.

优质解答

is thought,be

追问：

The French have to be well fed before they discuss anything=They___ ___ ___the French well before they discuss anything.

追答：

have to feed