He asked several questions the professor who gave us a lecturethe balance of nature.A. wi

发布时间：2020-08-14 23:50:14

He asked several questions     the professor who gave us a lecture    the balance of nature.
A. with; for
B. from; of
C. to; about
D. of; on

网友回答

A. with; for
B. from; of
C. to; about
(答案→)D. of; on
解析： ask表示提出请求或问题时，其间接宾语可用of引出。后一空白填on表示书
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