Protective clothing must be worn when the machine is in _________.

It is required that he________homework tomorrow morning.[ ]

It is said that a new zoo will be built in our town.—I’m________it. Zoos are terrible for animals.

A/An_______can use his drawings to tell about beautiful mountains, the blue sea and many other things.

Peter is ill in hospital.–I’m not ____ to hear that. I’ve been telling him not to work so late every day!