1）I were anxiously expecting your letter,and at last 77)it has eached at me.i am very glad to kno
问题描述：
1）I were anxiously expecting your letter,and at last 77)it has eached at me.i am very glad to kno
答
1）我都焦急地期待着您的信,并在去年77）,它已在我的棉纱.我很高兴硝酸钾