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
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