1) Read the sentences. Are the underlined verbs in the Past Continuous (PC) or in the Simple Past (SP)?

b) They also found (. ) my mom's wedding ring while they were digging (. ) in the pile of mud.

c) I was walking (. ) in the subway station when a lady made (. )theta an announcement on the speakers

a) While we were driving (. ) home, the radio reporter announced (. ) the hurricane.​