Every year, ______ people go to visit the factory.
_________ our earth less polluted, or we will lose our home.
—Can you lend me the novel ________ you talked about the other day?—Oh, you mean the novel from Liuliu. No problem!
_______ hard-working boys! They have already worked for 3 hours without rest.
—Mum, may I draw some flowers on the wall?—Oh, no, dear, you _______. Why not draw your beautiful flowers on the paper?
—I think the magic from Liu Qian was the best program last night.—Oh, it’s a pity. I _______ cards with my family and missed it.