Fill in the gap with the right form of the verb. Rita (not to be) to the Taj Mahal in India.

The sentence is in the present tense and refers to a general fact or state. The subject 'Rita' is singular. Therefore, the correct form of 'to be' for a singular subject in the present tense is 'is'. The negation 'not' should be placed after 'is'.
Rita is not to the Taj Mahal in India.