A person may keep_up a conversation.Logical formLearned from4 sentences. Persons may keep_up a spirit.Logical formLearned from4 sentences. A person may keep_up with a house.Logical formLearned from4 sentences. A person may keep_up a speed.Logical formLearned from4 sentences. A person may keep_up with a myspace.Logical formLearned from4 sentences. A (database mirroring) may keep_up with a (rebuild activity) of tables.Logical formLearned from4 sentences. Someone may keep_up with current events.Logical formLearned from4 sentences. A vote may keep_up negotiations.Logical formLearned from4 sentences. A person may keep_up a job.Logical formLearned from4 sentences. Pals may keep_up a person to date.Logical formLearned from4 sentences. Someone may keep_up with a child.Logical formLearned from4 sentences. Persons may keep_up a pace of reform.Logical formLearned from4 sentences. Conventional oil may have prospect of keep_upping with a demand.Logical formLearned from4 sentences. A person may keep_up a banter.Logical formLearned from4 sentences. Clothing may keep_up with an attitude.Logical formLearned from4 sentences.