—______ hard Tony is working!—Yes. We should learn from him.

—_____ kind girl Nancy is! —Yes, she is always ready to help others.

_____ hard work it is! But _____ fun it is to finish walking the trail.

Look! 　　　　playful the boy is! He is jumping up and down with excitement.

— ________ good time we had during our stay in Hainan last year! — Yes, ________ fun we had playing some water sports there!