(Emma/tidy) her room every day?

The correct option is 'Does Emma tidy'. **Explanation:** This is a question in the present simple tense. We use 'does' for third-person singular subjects (he, she, it), and the base form of the verb after 'does'. Emma is a third-person singular subject, so we need 'does' before the subject and 'tidy' (the base form of the verb). Let's examine why other options are incorrect: * **Are Emma tidying:** 'Are' is used with the present continuous tense, which implies an action happening now. This question is about a routine. Also, 'are' is used with plural nouns, or in singular with 'you', not with 'Emma'. * **Do Emma tidy:** 'Do' is used with plural nouns or 'I, you, we, they'. Not with a singular name like 'Emma'. * **Is Emma tidying:** Similar to the first option, 'is' is used in the present continuous and the question is about a general habit, not a happening now action. Additionally, you cannot say 'is Emma tidying' and include the word 'every day' because those two grammar choices do not combine. **Correct sentence:** Does Emma tidy her room every day?