c-1 ; d-2 ; a-3 ; b-4
1) The pavements were slippery because they were wet from the rain.
2) Pam's dream was to own a diamond necklace.
3) When the thief fell, Pam picked up the bag that had fallen from his hand and took off his mask.
4) When she was walking home, a man called Hans VanBurg stopped her, because he wanted to thank her for her bravery.
5) In the end, Pam felt happy, because her dream cam true.