1 . 妈妈不经允许就撕开我的信，我捶胸痛哭。
My mother ________________ without my permission and I wailed with my fists beating my chest.

2 . 从你上封信来看，你即将参加汉语桥比赛，我写信的目的是告诉你一些注意事项。(应用文之告知信)
_________________, you are about to take part in the Chinese Bridge Competition and I am writing with the intention of informing you of some do’s and don’ts.