Exercise 4: Put the verbs in brackets into the past perfect or the past perfect continuous.

{"q":"Tom was angry because he ........ (miss) the last train home.", "a":"Tom was angry because he had missed the last train home."},{"q":"Katie ........ (only/work) in her new job for a month when she got a promotion.", "a":"Katie had only been working in her new job for a month when she got a promotion."},{"q":"By the time we got home, everyone ........ (eat) dinner.", "a":"By the time we got home, everyone had eaten dinner."},{"q":"Sarah was angry because she ........ (wait) for the bus for over an hour before it arrived.", "a":"Sarah was angry because she had been waiting for the bus for over an hour before it arrived."},{"q":"Harry ........ (dig) in the garden so he was covered in mud.", "a":"Harry had been digging in the garden so he was covered in mud."},{"q":"Alice ........ (not/finish) her homework by bedtime.", "a":"Alice had not finished her homework by bedtime."},{"q":"They ........ (cook) for over three hours before the guests arrived.", "a":"They had been cooking for over three hours before the guests arrived."},{"q":"I ........ (just/decide) to walk home when the bus came along.", "a":"I had just decided to walk home when the bus came along."}