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熟練掌握常用標(biāo)點(diǎn)符號(hào)的基本用法,尤其要正確使用逗號(hào)和分號(hào)?! r(shí)態(tài)問題 描述圖畫用進(jìn)行時(shí):doing Asis shown in the picture, there is sb doing sth, suggesting sth/with sb doingsth. 描述圖表用過去時(shí):完成時(shí) Asis illustrated by the chart, there was an obvious increase/a dramatic decreasein the numbe