Раскройте скобки, употребляя second conditional. 1) if i (to know) his nomber, i (to call) him. 2) they (to go) hikkig if they (not to have) exam. 3) if i (to have) more time? i (to take) up a new hobby. 4) i (to play) volleyball if i (to be) taller.

If I knew his number, I would call him.
They would hiking didn't have exam.
If I had more time, I would take up a new hobby.
I would play volleyball if I was taller