— Have you read this book?　　　　— Yes. But that one is ________ worth reading.

Keep your minds ________ to different ideas, or you will not be successful.

The plane flew smoothly ______ in the sky and people spoke ______ of the experienced pilot. 

—I have signed up for the Oral English Competition.—What a________idea. You even don’t know how to introduce yourself in English.

This kind of fried chickens sells ______, mainly because it tastes ______.