Choose the correct tense form 1. It had been raining all

Choose the correct tense form 1. It had been raining all day and the roads (had been/ were) very wet. 2.When (did she choose / has she chosen) to take a course in English? 3.Tom (had been thinking/ thought) about his answer during the lunch break. Dan was angry.4. He (had been waiting / was waiting) for Linda for two hours.5. Students (opened / had opened) their books and did the exercise.6. The teacher (was smiling /had smiled) as he was reading Kate's essay.7. It was easy for him to get lost because he (hadn't been / wasn't) in a big city before. 8.Tom (listened/was listening) to the teacher while the others (took/were taking) notes.