改错：(2019·天津高考)Theprofessorwarnedthestudentsthatonnoacco...

问题详情：

改错：(2019·天津高考)The professor warned the students that on no account they should use mobile phones in his class.

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【回答】

should置于they前　此处表示否定含义的介词短语on no account位于宾语从句句首，宾语从句要用部分倒装结构，故将should置于they前。

知识点：完成句子

题型：短文改错