Try to translate the following sentences 1. Add words to expression the meanings of do ( does, did ) prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace> He did not really represent their opinions to the higher-ups, although he claimed he did. The guard inside the prison had no guns. But those in the towers did. I tried not to draw too much hope from the incident, but despite my resolve, I did. 2. Add words to make the abstract nouns more concrete. His arrogance made everyone dislike him. Now birth control became a possibility . There had been an ease of international tension . Preparations for the conference had been plagued by many problems. 3. Add necessary words to express summarization. The frequency, wave length and speed of sound are closely related. They talked about inflation, unemployment and environmental pollution. Thus he grew in body and soul. We must enable everyone who receives education to develop morally, intellectually and physically. All the facts concerning Mr. Powers’ family background, his upbringing, his personal experience, his social connections and his occupation have been subjected to intensive study.