Вопрос по английскому языку:

5. Underline the correct time expression. 1. I still/yet/just hadn't done my project when Dad came home. 2. Meg was lying in the sun before/while/as soon as the kids were playing on the grass. 3. How long ago/how long/while did you pass your exams? 4. She continued her trip before/after/yet she had changed the tire. 5. He had been singing for years since/for/ before he finally became a star. 6. The team had scored eight goals by the time/ until/while we got to the stadium. 7. The lector didn't start talking after/until/yet everyone was quiet. 8. She took off her jacket just/as soon as/already she entered the room