1语法填空冲刺练习阅读下面材料在空白处填入适当的内容个单词或括号内单词的正确形式坟墓财宝埋葬阶梯manypyramidswerebuiltinAmericathaninEgyptAbout90pyramidsareknowntohavestoodinEgyptwhileseveralhundredsmallpyramidsarescattered分散的acrossCentralandSouthAmericaThebiggestpyramidinMexicoisalmost2000yearsoldScientiststhinkittook10000menmorethantenyears10finishit阅读下面材料在空白处填入适当的内容个单词或括号内单词的正确形式Strangethingshappened1TangshanEarthquakehappenedThewellwallshaddeepcracksA2smellgascameoutof3ThewaterpipescrackedandburstAt3424themorningofJuly281976everythingbegan