They were cutting trees on the hill at 10:00 yesterday morning 改为否定句
问题描述：
They were cutting trees on the hill at 10:00 yesterday morning 改为否定句
1.They were cutting trees on the hill at 10:00 yesterday morning （改为否定句）
They ____cutting trees on the hill at 10：00 yesterday morning
2.Mrs.Smith was washing clothes at this time last sunday（改为一般疑问句）
___ Mrs.Smith ____clothes atthis time last sunday
答
1.They were cutting trees on the hill at 10:00 yesterday morning （改为否定句）They _weren't___cutting trees on the hill at 10：00 yesterday morning2.Mrs.Smith was washing clothes at this time last su...