Замените выделенные слова личными местоимениями в
объектном падеже.

1. I like Nick.
2. We like Bess. 3. He likes ice-cream. 4. Can you show the
pictures to Ben? 5. You can tell Helen my e-mail address. 6. Are
you interested in football? 7. I want to buy two bottles of
milk for Bess. 8. Do you want to play tennis with Ben? 9. We
must speak to Nick. 10. You should invite Helenand Bess to your
house for dinner. 11. Do you know Mary? 12.
Tell Nick about your plan.

Заменить выделенные имена и существительные личными местоимениями в объектном падеже можно так:

1. I like him.
2. We like her.
3. He likes it.
4. Can you show the pictures to him?
5. You can tell her my e-mail address.
6. Are you interested in it?
7. I want to buy two bottles of milk for her.
8. Do you want to play tennis with him?
9. We must speak to him.
10. You should invite them to your house for dinner.
11. Do you know her?
12. Tell him about your plan.

Здесь замена существительных на личные местоимения делает предложения более краткими и удобными для общения, оставляя при этом тот же смысл.