Задайте вопросы к предложению : They bought a present for their mums birthday the day before yesterday.

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Did they buy a present for their mum's birthday the day before yesterday?

Did they buy a present for their mum's birthday the day before yesterday or last week?

What did they buy for their mum's birthday the day before yesterday?

When did they buy a present for their mum's birthday?

Why did they buy a present the day before yesterday?

Where did they buy a present for their mum's birthday the day before yesterday?