一道SAT语法题In Germany,foresters discovered that trees killed by acid rain had begun to die four years (earlier,even though the trees had shown no signs of disease then)B.ealier,but not showing any signs of disease thenC.ealier without any sign

一道SAT语法题,谢谢啦!In Germany,foresters discovered that trees killed by acid rian had begun to die four years (earlier without any signs of disease shown then.)请问括号里的为什么错了? 一道SAT OC 语法题> 一道sat的语法题,解释 一道sat上的语法题 一道SAT语法题In Germany,foresters discovered that trees killed by acid rain had begun to die four years (earlier,even though the trees had shown no signs of disease then)B.ealier,but not showing any signs of disease thenC.ealier without any sign 2道sat 语法题1.with the louisiana purchase,the united states acquired a larger (territory in area than if you combined britain,france,italy,germany,spain and portugal)territory larger in area than britain,france,italy,germany spain and portugal c 一道SAT语法题.B选项怎么改? sat语法题ip 【SAT语法】一道SAT的IE语法题(Centuries ago), the Greek physician Hippocrates (advocated) collecting data (from) patients in order (to be drawing) conclusionand diagnose diseases. (No error.)Q：错误的应该是哪一个?是(from)还是(to 一道sat语法为什么错了 SAT 07年10月一道语法题As a adult, male golden silk spider live not in webs, 为什么live not可以算是对的? 三道OG上的SAT语法题In Germany,foresters discovered that trees killed by acid rain had begun to die four years (earlier,even though the trees had shown no signs of disease them)n.D earlier without any signs of disease shown then这个题答案 sat OG语法一题In Germany,foresters discovered that trees killed by acid rain had begun to die four years earlier,even though the trees had shown no signs of disease then.AB earlier,but not showing any signs of disease thenC earlier,no outward sig SAT语法几道语法题 SAT语法句子改善题 一道SAT 的题 一道SAT 的题 这是一道sat语法题,想请问为什么不选A?