---Did you notice someone enter the classroom just now?---Sorry, I didn’t. I _____ my lessons at that time.
It will be hard for us to get up in the morning if we _______ to bed too late.
-- Mum, ______ is my football? -- It's under your bed.
made this bookshelf all on ______ own.
--What’s this in English? --____________.
What’s five and three? It’s .