—What can you see in my hand, Tony?—I can see a book. ______ book is green.A. A B. An C. The
I don’t like people ______ talk much but do little.
The earth will become worse and worse ________ we do something to stop her from being polluted.
— Can you come and play football with me? —______. I have a lot of homework to do.
--What would you do if you won a million yuan? -- __________.
—Excuse me, could you tell me ________ a book about music? —Sure. They are on the second floor. A. where can I buy B. where I can buy C. when I can buy D when I can buy