情景交际,从每小题所给的A、B、C、D 四个选项中选出可以填入空白处的最佳选项。 —I think students should have mobile phones to call their parents. —_____. They often use them to play games instead. A. I hope so B. I don't agree C. No problem D. Good idea 答案:B一串有趣的图案按一定的规律排列(如图): 按此规律在右边的圆中画出的第2011个图案: 。