Answer:
1. She said that she can't find her car keys.
2. He said that they have already seen that film at the cinema.
3. She said that she visited her aunt the previous week.
4. He asked if Sarah was working on her science project.
5. She asked why Yolanda had to go out the previous night.
Explanation:
The reported speech is when the words said by a person are relayed to another in a different manner. In a reported speech, the exact words are not used and the quotation marks are removed. Moreover, certain words like yesterday, tomorrow, last week, are changed to the previous day, the next day, the previous week, etc.
The given direct speeches are changed into the reported form as follows-
1. She said that she can't find her car keys.
2. He said that they have already seen that film at the cinema.
3. She said that she visited her aunt the previous week.
4. He asked if Sarah was working on her science project.
5. She asked why Yolanda had to go out the previous night.
