Choose the best answer.

She looks very tired. She should work ______ or she will get sick.

Choose the best answer.

She stays in ______ by exercising daily and eating well.

Find the mistake in the following sentence.

We should to drink more water in the summer.

Choose the best answer.

Marie: “Why are you drinking warm water?”

Huy: “I have a ______, and I feel better when my neck’s warm.”

Choose the best answer.

I forgot to wear a sun hat today, so I got a ______.

Choose the best answer.

Eating a lot of vegetables helps you stay ______.

Choose the best answer.

You should ______ during winters, or you may catch a cold.

Choose the best answer.

If you feel weak, you should ______ some rest. Don’t push yourself too hard.