—I bought this shirt for 35 yuan yesterday. —It’s on sale today for only 29. You should have waited. —Oh, really? But how ________ I know?
We thought of selling this old furniture, but we’ve decided to _____ it. It might be valuable.
I’m not very good at playing chess. He often _______ me.
Mrs. Black doesn’t believe her son is able to design a digital camera, ________?
--How is_______ going with you? -- So so.
One way to understand thousands of new words is to gain _____ good knowledge of basic word formation.