语法与词汇 Because of his poor health, it took him a long time to _____ his bad cough.无
【正确答案】 A
【答案解析】句意: 由于他的健康状况很糟, 摆脱咳嗽花了他很长时间。 throw off摆脱。 throw away扔掉。 throw down推翻。 throw over放弃。 因此选A。