Question

present perfect or past perfect
5. I often (wonder) how he earns his living. 6. She told me she (work) in English before. 7.When I arrived atthe country house I (lose) the keys. 8. "John (telephone) yet?" she asked entering the house, but her brother said he didn't know if John (telephone).

Answer 1

5-, 6-past perfect,7-present,8-present

Answer 2

5- wondered. 6-worked. 7-lost. 8-called, called