TheNewFrontierandWaronPovertywereputforwardrespectivelyby________.
Iunderstoodfromherthatyouundertookotherimportantwork______.
TheaveragelifeexpectancyoftheRedIndiansis________.
________，hehadnotimetorest.
改写病句：WhiledrivingonBlueberryAvenueyesterdayafternoon,atreefelltowardJack
