1.Tom is having lunch at hone.(用just now改写） Tom ___ lunch at hone ___ ___.
问题描述：
1.Tom is having lunch at hone.(用just now改写） Tom ___ lunch at hone ___ ___.
答
改为Tom was having lunch at home just now.
答
Tom had lunch at home just now.
答
tom is having lynch at home just now.
tom had lunch at home just now
答
had just now（刚才）
所以had用过去式
答
后面用时间副词没问题，前面用？just now,刚才，刚才Jim在干什么，吃午饭，用Ving,还是Ved呢？我觉得用Ving过去一个正在进行的动作！
答
had just now
答
Tom had lunch at home just now.(just now在这里表示“刚刚,刚才”,谓语动词用一般过去时)
答
Tom is having lunch at home just now