1. For blank A, 'go' is the correct verb form as it refers to people in general and the present tense.
2. For blank B, 'warm' is the correct adjective to describe the weather.
3. For blank C, 'has' is the correct verb form to agree with 'The city'.
4. For blank D, 'held' is the correct past tense verb for the event in 2014.
5. For blank E, 'most' is the correct superlative adjective to indicate it is one of the top Russian cities.