题目

 “I don’t speak English”-these are the first words I learned when I came to America. Soon I was able to pronounce the four words clearly, and said them whenever an American tried to talk to me. This answer was very effective（有效的）at ending our conversation and saving me from another uncomfortable situation, or I would have to communicate in a language that I was not familiar with. Before coming to the States, I thought I knew English pretty well. But the truth is that the grammar and vocabulary-based English that is taught in schools overseas（海外的）is not the Eng吨可以改写成50%吨．