D. diseases
(The food you eat can affect your health and your risk for certain diseases.)

B. change
(To eat healthier food, you may need to change some of your daily habits.)

C. around
(Your environment includes everything around you, like your home or the place you work.)

D. more
(You don't need to make huge changes to eat more healthily.)

A. same
(...you don't have to change all of your habits at the same time.)

D. small
(...change your habits a small bit at a time.)

C. difference
(Over time, small changes can make a big difference in your health.)

C. stay
(It also can help you stay a healthy weight and keep fit.)

Mary has carried only one box upstairs.
How many boxes has Mary carried upstairs?

My mother taught me how to cook omelets when I was a little girl.
When did your mother teach you to cook omelets?

We had lunch in the canteen with Mr. Thomas's son.
Whose son did you have lunch with in the canteen?

You should use a little vinegar for the dipping sauce.
How much vinegar should I use for the dipping sauce?

My father comes home for lunch only once a week.
How often does your father come home for lunch?

You should practice English at least 30 minutes a day.
You should spend at least 30 minutes a day practicing English.

He uses these computer programs very well.
He is good at using these computer programs.

Turn off the oven when the cake turns brown.
Don’t turn off the oven until the cake turns brown.

My cousin is as tall as me.
My cousin is the same height as me.

She didn't go to the theater; she went to a pub.
Instead of going to the theater, she went to a pub.

This is his first visit to England.
He has never visited England before.