---Look, our headmaster is over there, playing basketball with some students of our class. --- Oh, he must be ________ to his students.

Eric, a middle-aged fashion designer, is very happy because the clothes be designed have never been ________.

What___ it is to have a cold drink after an _____ game! 

 Though ___________ to see us, the professor gave us a warm welcome.

It was _____ of Jack to turn off the radio when I was sleeping in the bedroom.