UC知道动词适当形式填空
来源：百度知道 编辑：UC知道 时间：2024/05/06 19:09:31
1. When we arrived at the park ,Lily__(leave).
2.I ___(finish) the exercise in few hours.
3.Their luggage ___(check)as they entered the building.
2.I ___(finish) the exercise in few hours.
3.Their luggage ___(check)as they entered the building.
1,had left
leave发生在arrived（过去）的过去
2，will finish
3，was being checked
在他们进入时正在被检查,as为动作同步的标志
1.had left
2.will finish
3.had been checked
had left
will finish
was checked