1 How does CGI improve virtual images?
A It makes them three-dimensional.
B It animates them.
C It combines all areas of the media.
D It makes them more believable and
true-to-life.. ​

D - CGI  делает их более правдоподобными и

реалистичный

Если мой ответ отметь его как лучший.

-good morning! can i help you?

-oh, yes, please. i'm looking for "prostokvashino" milk. (можешь заменить фирму молока на  

-we have this one. 

-nice! how much?

-2$. 

-here you are.

-thank you. you are welcome. good bye!

-thanks! good bye!

1. i exercise regularly in summer but more to do in winter. 2. she usually walks slowly but now she is walking even   faster . 3. nina speaks loudly but mary speaks even   louder . 4. he runs fast, than other boys. 5. i don’t sleep enough, less   than 8 hours. 6. he behaves badly, than other boys. 7. i smile often, more than my sister. 8. peter lives far from school, but ann lives closer .

я думаю, что  4 и в 6 предложениях ничего изменять не надо. может я ошибаюсь.