题目

One is no born able to speak a language. One is born able to make a noise. I have heard babies cry in America and in China. I can’t tell any difference. But when I hear someone from America speak English and her someone speak Chinese, I can tell you there are a lot of differences. I believe a common(普遍的)problem with Chinese students’ learning English is that they were not taught to think in English. They have an idea spoken in English and want to translate the idea into Chinese, then they think in Chinese of the proper reply and translate it into English. After a long period of Tom often does his homework at school．(改为否定句) Tom ________ often ________ his homework at school．