1 - e
2 - d
3 - b
4 - f
5 - a
6 - c
Калий, кальций, медь, германий, селен
Tony will have called Jack, told him about Sam's letter by the end of the week.
Tony will have written to Sam by other end of the week.
На другие сами.........
We met in the street, we met the 27th of September, we walked together, and talk about our life.
I have never seen the Ocean. I must see it.
My sister has never watched koalas. She must watch them.
My brother has never jumped with kangaroos. He must jump with them.