Jawaban:

Here are the indirect speech versions of the sentences you provided:

 1. The teacher said that she would explain it tomorrow.

 2. My mother said that I came late again.

 3. Dina told Andi that she was cooking their dinner now.

 4. My mother told my father that they would go to dinner tonight.

 5. Anna said that her mother had arrived at their house.

Penjelasan:

Here are the rules for changing direct speech to indirect speech:

• Remove the quotation marks and commas.
• Change the pronouns to the appropriate person.
• Change the tense of the verbs to the past tense, unless the direct speech is a universal truth or a habitual action.
• Add "that" before the reported speech.

Here are some examples of how to change direct speech to indirect speech:

Direct speech: "I am going to the store," said John.

Indirect speech: John said that he was going to the store.

Direct speech: "I always eat breakfast," said Mary.

Indirect speech: Mary said that she always ate breakfast.

Direct speech: "The Earth is round," said the teacher.

Indirect speech: The teacher said that the Earth was round.

I hope this helps!