Have all the important letters been delivered at the first time?- I'm sorr
问题描述：
Have all the important letters been delivered at the first time?- I'm sorr
Have all the important letters been delivered at the first time?- I’m sorry._ only 40% of them.A.It is B.They are答案选a 说是强调句 怎看出来这是强调句啊的
答
I am sorry it is only 40% of them【 that have been delivered at the first time】
1,吧后面的成分加上句子完整
2,为了与问句避免重复
3,去掉 it is ,that 句子任然完
希望得到采纳这里要代的是40%的而不是所有的，希望采纳