81. ________is a kind of food made frommilk curds.

Let’s join the chess club. — __________.

The time we spend together is so fun that I can’t help ____seeing you again.[ ]

Itiscertainthathewill______hisbusinesstohissonwhenhegetsold

He kept thinking of the question whether it was ____ for his father to change the habit of a life time in such a short time