问题描述:
Mr.Lioftenworksveryhard.WhenI()himatelevenlastnight,he()intheoffice
sawworked
wasseeingwasworki
wasseeingworked
sawwasworking
求说明下啊
问题描述:
Mr.Lioftenworksveryhard.WhenI()himatelevenlastnight,he()intheoffice
sawworked
wasseeingwasworki
wasseeingworked
sawwasworking
求说明下啊
选最后一个.第一个空,因为时间状语是lastnight,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.