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肯定句： 主语+was/were+doing+其他 We were having class at this time yesterday. 昨天这个时候我们正在上课。 否定句：主语+wasn't/weren't +doing 其他We weren't having class at this time yesterday. 我们昨天这个时候没上课。 (责任编辑：admin) |
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肯定句： 主语+was/were+doing+其他 We were having class at this time yesterday. 昨天这个时候我们正在上课。 否定句：主语+wasn't/weren't +doing 其他We weren't having class at this time yesterday. 我们昨天这个时候没上课。 (责任编辑：admin) |