Great changes have taken place in my hometown in the past few years=my hometown___ ___ ___ ___in th
问题描述：
Great changes have taken place in my hometown in the past few years=my hometown___ ___ ___ ___in th
答
has changed so much 与原句同样用了完成时态,so much 表示改变的幅度,与原句中的great呼应我给学生出过这道题,注意主谓一致问题,所以原句have在新句子中应改为has