题目内容
The visiting professor giving lectures to students invited to meetings at times.
| A．preferred; to being | B．preferred to; rather than |
| C．preferred; than being | D．preferred; than to being |
A
解析试题分析：考查prefer用法。固定词组prefer doing A to doing B宁愿做A不做B；句意：这位访问教授宁愿给学生上课也不愿意时而不时被邀请来参加会议。根据句意第二空使用动名词的被动形式。故A正确。
考点：考查prefer用法
点评：固定词组prefer doing A to doing B宁愿做A不做B；
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