Умоляю помогите с англ языком

Упражнение 2. Раскройте скобки, употребив глагол в the Past Simple или the Past Continuous Tense.

1. The rain (begin) to fall while we (watch) the game. 2. Just as I (get) interested in my work, I (have) to go home. 3. He (lose) his pocket book, while he (see) the sights of Rome. 4. Jack (do) his homework, when his father (come) home from work. 5. Mary (wear) her new dress, when I (meet) her yesterday.

1. The rain (began) to fall while we ( were watching) the game. 2. Just as I (was getting) interested in my work, I (had) to go home. 3. He (lost) his pocket book, while he (was seeing) the sights of Rome. 4. Jack (did) his homework, when his father (was coming) home from work. 5. Mary (wore) her new dress, when I (was meeting) her yesterday.