Sally_________ (eat) dinner last night when someone_________(knock) on the door. 2. I began to study at seven last night. Fred_________ (come) at seven-thirty. I_________ (study) when Fred _________ (come). 3. While I _________ (study) last night, Fred_________(drop by) to visit me. 4. My roommate’s parents_________ (call) him last night while we_________ (watch) TV. 5. My mother called me around five. My husband came home a little after five. When he _________ (come) home, I _________ (talk) to my mother on the phone. 6. Yesterday Tom and Janice_________ (go) to the zoo around one. They_________ (see) many kinds of animals. They stayed at the zoo for