Choose the correct variant.

1. I need to ... a diet. I've ... two kilos in a week. 2. Look at Ann. She has ... taller since the last time I saw her. 3. I can't believe that's John. His shoulders have ... wider and his voice has ... deeper. 4. Since she saw the advert, she's ... worried about her weight. 5. She wants to ... a gym and ... some weight.