Помогите,нужно раскрыть скобку употребляя past simple,past continuous,past perfect He (to wake) up and (to look) at his alarm clock.
Это перечисление действий,так что используем past simple: He woke up and looked at his alarm clock.
а здесь - when he ( to sit) at the table,he ( to find) that he ( to leave) his pen at home
when he set at the table, he found that he had left his pen at home