Read our answers again.
Of the above, only Up to what number can you count? makes sense. We don't ask children that, or they'll start counting and not stop until one or both of us gets fed up.
Read our answers again.
Of the above, only Up to what number can you count? makes sense. We don't ask children that, or they'll start counting and not stop until one or both of us gets fed up.
Could you please tell me why [STRIKE]did[/STRIKE] you used "gets" here?