Например:
1) Have you ever been to Moscow?
2) Have you ever seen the "17 moments of spring" series?
3) Have you ever eaten mango?
1. Have you had breakfast yet? - (C) Just a cup of coffee.
2. You don"t have to pay now. - (H) When do you want the money?
3. They"ve got a beautiful house in the country. - (F) When did they move?
4. I couldn"t have a bath. - (A) Wasn"t there enough hot water?
5. I have to work tomorrow. - (G) Couldn"t you say you were ill?
6. I got a letter from Alex last week. - (E) What did he say?
7. It"s getting late. - (B) Can"t you stay a bit longer?
8. What did you get Sandra to her birthday? - (D) A travel guide to Portugal.
Амфотерность оксида и гидроксида заключается в том, что они могут вступать в реакцию как с кислотами, так и с щелочами.
BeO + H2SO4 = BeSO4 + H2O
BeO +2NaOH + H2O = Na2[Be(OH)4]
Be(OH)2 + H2SO4 = BeSO4 + 2H2O
<span>Be(OH)2 + 2NaOH = Na2[Be(OH)4] </span>
When I was a child, I loved (smth)
1)Do u help your mother at home after school?
2)Do u walk with your pets after school?
3)Do u like to sleep after school?
4)Do u cook sometimes after school?
5)Do u go to park or another place?
6)Do u go to some sport clubs?
7)Have u got a free time after school?
8)Do u spend a lot of time with your friends after school?
Если не трудно, сделай, пожалуйста, мой ответ лучшим)