Yesterday I saw Amy ____________.
— There is still a copy of the book in the library. Will you go and borrow _____? — No, I’d rather buy one in the bookstore. A. one B. it C. another
_____ of the population in China ____ hardly to say. A. A number , is B. The number ,are C. The number , is
—This physics problem is too difficult. Can you show me _____, Wang Li? —Sure. A. what to work it out B. what to work out it C. how to work it out
— How much did you pay for the new car? — It_____ me more than ¥300,000. A. cost B. spent C. Made
-- Mum, must I stay there the whole day? -- No, you ______ . You ______ come back after lunch, if you like. A. mustn't; can B. needn't; must C. needn't; may