单词拼写.
问题描述：
单词拼写.
1.people used to think that the world was f--;now we know it is round.我觉得应该是填方形,可是那个单词不是F开头的.
2.unempioyment is one of the major problem of m--times.
3.celebrations are planned for the l--part of November.
4.I try to maintain f--contact with my childern.
答
1.flat 平的
2.modern 现代的
3.latter 后面的
4.frequent 经常的