The protesters (抗议者)_____the meeting by shouting and throwing stones at the window.

─ Look at the clouds! Is it going to rain─ ___________. The radio says that we’re getting into the rainy season now.

My uncle isn’t _____ at the moment.

How he _______ get out of the prison ______a mystery.

They got two free tickets to Canada, otherwise they______ able to afford to go.