1．By the time they arrived, we ________ (get) everything ready.
答案：had got
2．By the end of last year,10 000 trees ________ (plant) in that village.
答案：had been planted
3．The new suspension bridge ________ (design) by the end of last month.
答案：had been designed
4．When they got to the field, the football match ________ already ________ (start)．
答案：had, started
5．His village ________ (flood) in the heavy rain，so he moved to his parents' house.
