2013中考英语备考:词汇小练(必背重点)
I. 根据所给汉语提示, 写出所缺单词, 使句意完整、通顺。 1. The world’s population is growing faster and faster. The increasing population may be the greatest ___________(挑战) of the world. 2. About six ________(千) people were killed in the earthquake. 3. I’d li...