精选优质文档-倾情为你奉上现在完成时专题练习(二)1、 句型转换: 1. He has already gone home. He _ _ home _. (否定句) _ he _ home _? (一般疑问句) 2. He has been there twice. (划线提问)_ _ _ _ he been there? 3. 用 since 和 for 填空 专心-专注-专业1) _ two years 2) _ yesterday3) _ we were children4) _ two years ago5) _ 4 oclock6) _ last month7) _ 4 hours8) _ 19999) _