Ответ:
Английский оборот let`s образовался от let us и в переводе на русский переводится как \»давай, давайте\».
Составим предложения:
1. Let`s play tennis tomorrow.
2. Let`s go to the seaside in summer.
3. Let`s do our hometask and get good marks.
4. Let`s write a letter to our granny, she will be glad to receive some news from us.
5. Let`s have dinner at 6 o`clock.
6. Let`s try to help our friend.
7. Let`s buy some fruit for breakfast.
8. Let`s take a cup of coffee.
9. Let`s read this English novel, it`s very interesting.
10. Let`s prepare for the school tests.