Что я узнал в разделе лексика в 5 классе

гидроксид натрия взаимодействует с раствором

1 нитрата калия

2 хлороводород

3 хлорида бария

4 сульфата лития

разберите по составу плиз. слова:Хранитель,праздничный,подытожим

Past Perfect

1)Jill was afraid she(forget) her Key at home,but she found her handbag

a)has forgotten b)have forgotten c)had forgot

2)Dad wasn`t at home when I came back:He(go) out twenty minutes before

a)has gone b)have gone c)had gone

3)I wasn`t hungry because I(just/have) breakfast

a)have had b)had had c)has had

4)Peter saw an urgen message on his table.Somebody (leave) it the day before

a)have left b)had left c)has left

5)I apologized I(not/phone) her

a)hasn`t phoned b)hadn`t phoned c)haven`t phoned