Past Continuous tense & Simple Past tense(过去进行时&一般过去时)

Lily broke her arm last week. It happened when she (         ) her room. She fell off the ladder.

The train arrived at the station and Coco got off. Two friends of hers, John and Rachel  (           ) to meet her.

A:What was the weather like when you (       ) up this morning?
B:It was raining.

A: Did you see Jessica last night? 
B:Yes, she (          ) a very nice jacket.

A: What were you doing at 3 o'clock this morning? 
B: I (            ) asleep.