Choose the sentence that best combines each pair of sentences.

I eat a lot. I cannot keep fit.

Parents must pay attention to their children's diet.

Parents are not required to pay attention to their children's diet.

Paying attention to their children's diet may be necessary for parents.

It is optional for parents to pay attention to their children's diet.

Vaccines are only given after recovering from diseases caused by viruses.

Vaccines are used as a cure for diseases caused by viruses.

Vaccines are ineffective against diseases caused by viruses.

Vaccines are necessary to prevent people from a disease caused by viruses.

I eat more and more to become big.

The less I eat, the fitter I become.

The more I eat, the heavier I become.

I become heavier not only because I eat a lot.

Tri is committed to maintaining a healthy lifestyle, so he avoids processed foods and prioritises nutritious meals.

Tri is committed to maintaining a healthy lifestyle, but he avoids processed foods and prioritises nutritious meals.

Tri is committed to maintaining a healthy lifestyle; however, he avoids processed foods and prioritises nutritious meals.

Tri is committed to maintaining a healthy lifestyle, so he didn't avoid processed foods and prioritise nutritious meals.

Doing exercise regularly helps you stay healthy.

Doing exercise regularly help you stay healthy.

Do exercise regularly helps you stay healthy.

Doing exercise regularly helps you are stay healthy.

We need calories or energy do things every day.

We need calories or energy doing things every day.

We needs calories or energy do things every day.

We need calories or energy to do things every day.

We should balance calories we get from food with calories we use physical activity.

We should balance calories we get from food with calories we use for physical activity.

We should be balancing calories we get from food with calories we use physical activity.

We should be balanced calories we get from food with calories we use to physical activity.