The program ______ to raise funds for farmers in the west of China proves to be an effective approach to solving the problem of poverty.空格处为什么填meant, 不能填meaning?
A(主语)B（谓语）the basic themes and preoccupations of an unfolding , dominant puritan tradition in American intellectual life.解析说：红色的是宾语，绿色的是宾语的后置定语，为啥这后置定语之间要加个逗号，这是什么语法知识呢？
28. “We can’t go out in this weather,” said Bob, ____ out of the window. （2004·全国II）A. looking B. to look C. looked D. having looked这个题选A做伴随状语没问题。可否选D做原因状语呢，因为看了窗外后，他说了那句话？
...子翻译成"Therefore,
it does not require fertilisers and pesticides during the growing process, and
although the rice produced is carmine in colour, it is a truly green
food."是否合适？
If it had contented our pristine ancestors to dwell in caves or to lead
their nomadic life, they would have remained some mere vagabond creatures.老师字典短语是lead a ...life，为什么lead their life这种形式也存在，不用复数嘛？
...er husband could earn enough money,them could buy a sports car.请问主句和从句中的could可以改为be able to的过去一般时吗？如果该句改为对过去的虚拟，If her husband could have earned enough money,them could have bought a sports car.请问这里的could have done能否...