摘要： They to their motherland at last . A. returned again B. returned back C. returned D. return
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按要求改写下面句子
They came to Moscow ten years ago
．(对画线部分提问)
________ ________ they ________ to Moscow?
句型转换
They are very happy to see each other．(改为感叹句)
________ ________ they ________ to see each other!