Complete the sentences. Use the simple past or the past progressive of the verbs in parentheses. My neighbors 1 (argue) ...................... about something when I 2 (walk) ...................... by them outside my apartment building. A package 3 (wait) ...................... for me at home. I 4 (open) ...................... it and 5 (find) ...................... an early birthday present. While I 6 (read) ...................... to my nephew, he 7 (fall) ...................... asleep, so I 8 (cover) ...................... him up and 9 (sneak) ...................... out of the room.