問(wèn)題補(bǔ)充：
單選題
Food prices are climbing around the world because farmers can't ______ demand for grain．A.catch up withB.keep up withC.grow out ofD.put up with
網(wǎng)友答案：
熱心網(wǎng)友 1樓
B解析catch up with趕上；keep up with跟上；grow out of 出自于；put up with容忍。句子意思是“食品價(jià)格在全世界都在上升，因?yàn)檗r(nóng)民跟不上對(duì)谷物的需求�！�
