The landlord can opt at any time without consulting the tenant.
Roberto opted for surgery at the end of 1975 in order to prolong his life.
In the cold war, most presidents opted for stability at the price of liberty when they had to choose.
Some classes had bagels and other opted for pizza - at 9:30 in the morning!
He opted out of further education at sixteen and started his career as an actor.
She opted for staring over the side at the sea, instead.
You can also opt for morning bocadillos at the bar.
In the end, he opted for a moment of silence at both events.
But it would be naive simply to opt for a birth rate policy, particularly at European level.
He was also the first prominent librarian to opt for Pakistan at the time of independence in 1947.