摘要： Lucy was so excited she received an invitation from her friend to visit Beijing. A. where B. that C. why D. when
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Lucy was so excited _______she received an invitation from her friend to visit Beijing.
A. where B. that C. why D. when
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Lucy was so excited _______she received an invitation from her friend to visit Beijing.
| A．where | B．that | C．why | D．when |