Choose the right variant. Unless problems __ (to arise), next discussion __ (to be) very productive. Bbl6epuTe of MH OTBeT: will arise __ isn't ) will arise __ will not be arises __ will be arise __ will be

The correct answer is: arise __ will be.<br /><br />Explanation: The sentence is a conditional sentence that expresses a future possibility. The correct form of the verb "to arise" in this context is the base form "arise" because it follows the conjunction "unless." The future tense "will be" is used to indicate the possible outcome of the next discussion being productive. Therefore, the correct variant is "arise __ will be."