Which food is called ________ food, milk, sugar or beans?

I’ll go to the museum this afternoon, so I can’t go swimming with you. —_______.

_______ the children grew old, they became more and more _______ in science.

Luckily, _______ happened to be no one in the building when the terrible fire broke out[ ]

Our headmaster isn’t in his office. I can’t find him anywhere. Did you notice him ______ the office