world, world's, worlds'; more, much,higher Wheat prices hay have started to decline, but the price of rice, the staple food for half of the____population, has____than doublede since last year.
world, world's, worlds'; more, much,higher Wheat prices hay have started to decline, but the price of rice, the staple food for half of the____population, has____than doublede since last year. 【正确答案】：world's,more
