题目内容
Distinguished 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
C
解析:
主句 .Distinguished guests and friends are our alumni (校友) from home and abroad. Attending the ceremony of the 50th Anniversary this morning非谓语动词作伴随状语。
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