–How many students are there in the classroom? --__________. They are all in the lab.

—Who called me this morning when I was out?—A man calling _______ Robert.

He thinks himself somebody, but we think him ______.

---How much should I pay for the food, Sir? --- It costs_______. The food is free on our ship. _______ needs to pay for it.

Helping others is a habit,     you can learn even at an early age.