Complete the sentences using past perfect. a) i went to bed because b) my father caught cold c) we went shopping 4) they were tired 5) he was late for the lessons 6) they couldn't enter the house

A) I went to bed because had caught cold.
b) My father caught cold because had stayed outdoors.
c) We went shopping because we had runn out of food.
4) They were tired because they had worked hard.
5) He was late for the lessons because he has misse the bus.
6) They couldn't enter the house because they had lost the key.