Clashes may keep_up into an evening.Logical formLearned from4 sentences. A delay may keep_up persons.Logical formLearned from4 sentences. Rescuers may keep_up a search.Logical formLearned from4 sentences. A regime may keep_up a bravado.Logical formLearned from4 sentences. (Health authorities) may keep_up a search.Logical formLearned from4 sentences. Troops may keep_up a push.Logical formLearned from4 sentences. A country may keep_up pressure on islamic militants.Logical formLearned from4 sentences. Nationalists may keep_up an insurgency.Logical formLearned from4 sentences. An army may keep_up a campaign.Logical formLearned from4 sentences. A country may keep_up passings.Logical formLearned from4 sentences. A world-city may keep_up a wall of secrecy.Logical formLearned from4 sentences. Work may keep_up with a whirlwind of parties.Logical formLearned from4 sentences. Some linemates may keep_up with a male.Logical formLearned from4 sentences. A pope may keep_up with travels.Logical formLearned from4 sentences. Danes may keep_up a pace.Logical formLearned from4 sentences.