Mr.Li often works very hard.When I ()him at eleven last night,he()in the officesaw workedwas seeing was workiwas seeing workedsaw was working求说明下啊
问题描述：
Mr.Li often works very hard.When I ()him at eleven last night,he()in the office
saw worked
was seeing was worki
was seeing worked
saw was working
求说明下啊
答
saw, was working
李先生工作很努力。昨天晚上11点我看见他的时候，他（还）在办公室里工作。
昨晚看见，不用进行时；他仍在工作，用过去进行时
希望对你有帮助
答
选最后一个.第一个空,因为时间状语是last night,所以用一般过去式saw.第二个空表示我看到他的时候,他正在做...所以,用过去进行时.