初二英语改错练习题
问题描述：
初二英语改错练习题
1.I wonder if Tom has been here.
2.Just at that moment,Sandy has made a strange machine.
3.I was playing the piano while the young couple came.
4.I have finished the homework before they came.
答
1、If 改为whether
2、去has
3、came改为coming
4、have改为had