摘要：12．Disthinguished guests and friends, welcome to our school! the ceremony of the 50th anniversary this morning are our alumni from home and abroad. A．Attend B．To attend C．Attending D．Having attended
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Disthinguished guests and friends, welcome to our school! ________the ceremony of the 50th anniversary this morning are our alumni (校友) from home and abroad.
A．Attend B．To attend C．Attending D．Having attended
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Disthinguished guests and friends, welcome to our school! ________the ceremony of the 50th anniversary this morning are our alumni (校友) from home and abroad.
| A．Attend | B．To attend | C．Attending | D．Having attended |