I have 8 classes _______Monday,so I’m very ______.A. in;cool B.at;free C.on;busy
—Jim, ________ you answer the last question? -- Sorry, I can’t. It’s too hard.
His father ________ in the factory since he was twenty.
--Be quiet! The children ____________ now. --Oh, sorry.
My brother __________ to Canada to learn English in 2005.
Jim, hurry up, ________ we’ll be late for the concert.