单选题：As the headmaster made a long speech，the ceremony was prolon

题目内容：

As the headmaster made a long speech，the ceremony was prolonged by ten minutes． A．quickened
B．enlarged
C．enriched
D．lengthened

参考答案：

答案解析：

He spoke in such a pleasant manner that f felt at ease with

He spoke in such a pleasant manner that f felt at ease with him at once．A．confid

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