题型:选择题 John and I _____ friends for eight years. We first got to know each other at a Christmas party. But we _____ each other a couple of times before that.A.had been; have metB.have been; have metC.had been; had metD.have been; had met 查看答案
题型:选择题 下表是X、Y两国人口数据表,分析并完成3--4题。 人口密度(人/km2)出生率(%)死亡率(%)X国1084.21.8Y国2750.60.7小题1:具有X国人口状况特征的国家最多分布于A 欧洲 B 大洋洲 C 非洲 D 北美洲小题2:Y国可能位于A 欧洲 B 大洋洲 C 非洲 D 北美洲 查看答案