摘要： I have often heard the “ABC Song , but I have never heard Alice it. A. to be sung; to sing B. being sung; sang C. sung; sing D. sing; singing
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I have often heard the ABC Song ________, but I have never heard Alice ________ it.
|
A．to be sung; to sing |
B．being sung; sang |
|
C．sung; sing |
D．sang; singing |
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