It’s a pity that you missed the lecture on nuclear pollution. — I _________ it, but I was busy preparing for a job interview.

No sooner __________ these words than the warden hit him on the head with the soup spoon.

Is Jack on duty today—It_____ be him. It’s his turn tomorrow.

I have two rooms to____________. But I can’t decide_____________.

Wolves will _________ their lives _________ the loss of the trees and forests.