Question

【题目】They were sweeping the yard at eight o’clock last Wednesday. (改为否定句)

They________sweeping the yard at eight o’clock last Wednesday.

Answer 1

【答案】weren’t

【解析】

句意：他们上周三8点没有打扫院子。

否定句结构：主语+be动词/助动词 not+其他。题干中有be动词were，所以之间在were后加not缩写成weren’t。故答案填weren’t。