Яне понимаю. репетитор задал дз и я не знаю, что тут делать. , ! !
s+6; al+3; p-3; n-3; br+2

1. i (was) very happy when i (saw) him yesterday. 2. she (hopes) now that the weather (will be) fine tomorrow. 3. the ship (was) in the open sea when the storm (broke) out. 4. last week he (found) a kitten in the street. he (saw) that it (was) absolutely helpless. 5. my uncle, who (is living) in the usa now, (has offered) me to pay for my studying. 6. this time next week i (shall be lying) on a beach. 7. sam has never (thought) to go to medical school. 8. when sally (got) to the station last week, she (realized) that she (was) too late. the train had already (left). 9. as a rule she (runs) in the park every day. 10. look! he (is trying) to find his watch. he (has lost) it. 11. mother has just ( made) some sandwiches. would you (like) some? 12. two days ago sam (wrote) her a letter and (sent) at once. 13. have you ever (been) to cayman isles? 14. don’t tease the dog! it (will bite) you. 15. last night we (did not want) to disturb our parents as they (were having) a rest. 16. his grandparents have just (returned) from the usa. 17. i (do not know) where my sister (is) now. maybe she (is sitting) in the garden. 18. don’t you think that marriage (has not changed) her? she is still the same. 19. she (will give) him your message tomorrow, as soon as she (sees) him. 20. look at this child! he (notices) everything immediately.

Вреакцию вступают те металлы, которые в ряду активности сильнее h 2hcl+fe--> fecl2+h2 2hcl+2na--> 2nacl+h2 2hcl+ba--> bacl2+h2 удачи