Натрий взаимодействует с каждым из веществ, формулы которых перечислены в группе:
1) Ca, O2, Hcl
2) Cu, O2, N2
3) O2, Hcl, S
4) H2O, KOH, S

Переведите на русский язык:

Do you think she wants to go by train to Kiev?

t`s a nice day for a long walk to that square.

She will work in her office at five

It takes three minutes to go home.

At half past ten I will be at the railway station.