Practice using the SIMPLE PAST and the PAST PROGRESSIVE

Last night, while Bill (1.) , his friend Tom (2.) him on the telephone. Bill (3.) the phone and (4.) , "Hello." Bill and Tom (5.) on the phone for an hour. While they (6.) on the phone, someone the door bell. However, because Bill (8.) he (9.) the doorbell, so the person at the door (10.) .

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Correct answers: