A:gained
B:expanded
C:developed
D:spread
用钢笔描红,并读一读。
俯 摘 捧 拿 措 惶 恐 舍 惹 懂
①2cos30°+|﹣3|﹣ 3 (2010﹣π)0+(﹣1)2011
②sin230°+sin45°tan60°+cos230°﹣tan30°.
—Let's have a party this Sunday. —_______. We'll have a good time.