—I think I’ve got a bad cold, Doctor, Shall I take some medicine?— No need. Your body itself is able to            the virus. Just drink more water and rest.

It’s necessary _____ the dog’s fur and play with it for _______.

—Who’s that boy?—He is my cousin, and _______ name is Jack.

In nature reserve, it’s ____ to hunt_____ fish there.

—Mum, where can we put our new TV set?—Look, we can remove the picture in order to make some ________ for it.