摘要： from the heart trouble for years, he has to take some medicine with him wherever he goes. A. Suffered B. Suffering C. Having suffered D. Being suffered
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________ from the heart trouble for years, Professor White has to take some medicine with him wherever he goes.
A. Suffered B. Suffering C. Having suffered D. Being suffered
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_________ from the heart trouble for years, Professor White has to take some medicine with him wherever he goes.（ ）
A. Suffered B. Suffering C. Having suffered D. Being suffered
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| The old man ______ has suffered from heart trouble for years has to take some medicine with him wherever he goes. A．which B．who C．what D．/ |
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