This I did at nine o’clock, after _______ I sat reading the paper.
The sign reads “In case of __ fire, break the glass and push __ red button.”
--- Where is my blue shirt?--- It’s in the washing machine. You have to wear __ different one.
There’s __ dictionary on __ desk by your side.
The cakes are delicious. He’d like to have __ third one because __ second one is rather too small.
One way to understand thousands of new words is to gain __ good knowledge of basic word of formation.