Match the beginnings of the sentences with the correct endings. Then, write the correct sequence of letter matches.

Here are the correct matches for each sentence:

• 1. People were dancing

  • The most suitable ending is "e. in the streets during the celebration."
  • Match: 1e

• 2. Children were wearing

  • The most suitable ending is "d. costumes at the carnival."
  • Match: 2d

• 3. Families were preparing

  • The most suitable ending is "c. food for the festival."
  • Match: 3c

• 4. Guests were taking

  • The most suitable ending is "b. photos during the wedding."
  • Match: 4b

• 5. The band was playing

  • The most suitable ending is "a. lively music at the party."
  • Match: 5a

Combining these matches, the correct sequence is 1e, 2d, 3c, 4b, 5a.

This corresponds to the last option provided.

The final answer is $\text{1e, 2d, 3c, 4b, 5a}$.