Select the option that expresses the given sentence in indirect speech.

The mother asked the daughter, "Can we buy tonight’s dinner from the restaurant?”

The mother asked the daughter if they could buy that night’s dinner from the restaurant.

The most appropriate option to express the given sentence in indirect speech is:

The mother asked the daughter if they could buy that night's dinner from the restaurant.

The other options are incorrect:

• The mother asked the daughter could they buy that night’s dinner from the restaurant. - This is incorrect because the modal verb "could" should be at the beginning of the reported speech.
• The mother asked the daughter if they can buy tonight’s dinner from the restaurant. - This is incorrect because the present tense verb "can" is used, but the reporting verb "asked" is in the past tense.
• The mother asked the daughter if could they buy that night’s dinner from the restaurant. - This is incorrect because the modal verb "could" should be at the beginning of the reported speech, and the pronoun "they" should be at the end of the reported speech.