The key to exercise solutions in chapter Self-Check 4 for the textbook Spark 4 - Student's Book with authors Virginia Evans, Jenny Dooley from Express Publishing
Question
Put the verbs in brackets into the correct past form.
Answer
The man had been wandering in the desert for two days before they spotted him.
He had just got into the house when he heard a noise.
They had been camping there for two weeks before they decided to leave.
She knew how to survive because her dad had taught her.
They felt relieved because they had survived the accident.