A. You should go outside on the fresh air to breathe deeply.

B. You should go outside into the fresh air and breathe deeply.

C. You should go outside to the fresh air and breathe deeply.

D. You should go outside in the fresh air to breathe deeply.

A. Doing morning exercises is one way for keeping the body healthy.

B. Doing morning exercises are one way of keeping the body healthy.

C. Doing morning exercises are one way for keeping the body healthy.

D. Doing morning exercises is one way of keeping the body healthy.

A. Older folks enjoy walking and talking together in this park.

B. Older folks enjoys walking and talking together in this park.

C. Older folks enjoy walking and talking together on this park.

D. Older folks enjoys walking and talking together on this park.

A. If we do exercise, the bones can become weaker and break easily.

B. If we do exercise, the bones can become weaker but break easily.

C. If we do not exercise, the bones can become weaker and break easily.

D. If we do not exercise, the bones can become weaker but break easily.

A. You should avoid eating raw or undercooked meats for any type.

B. You shouldn’t avoid eating raw or undercooked meats of any type.

C. You shouldn’t avoid eating raw and undercooked meats for any type.

D. You should avoid eating raw or undercooked meats of any type.