高中英语语法____great changes have taken place in China.A.Since th
高中英语语法 ____great changes have taken place in China. A.Since the 1900 B.Since the 1900's C.Since 1900 D.Since 1900's ACD哪错? 2.After cutting the apple in half he found____of it was rotten. 此处用half,那a half为什么就不行? 3.My grandmother's birthday is___. A.two weeks away B.in two-week's time 选A,B哪错?