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listening and speaking 一、單詞拼寫 1. The ship________(下沉 )soon after it struck a big rock. 答案: sank 2. The bomb________(爆炸 )right in the crowd and caused several deaths. 答案: exploded 3. He has r________to the city from his hometown. 答案: removed 4. It is well w________making the effort to learn how to do it. 答案: worth 5. We are glad to see the