Question

【题目】Some of the problems were _________ (提到) in his report.

Answer 1

【答案】mentioned

【解析】

句意：他的报告中提到了一些问题。

mention动词，提到，写到。此处是一般过去时态的被动语态。其结构是was/were done的形式。mention的过去分词是mentioned。故答案为mentioned。