A purchaser may keep_up payments.Logical formLearned from7 sentences. Persons may keep_up with a news.Logical formLearned from7 sentences. Someone may keep_up with a person.Logical formLearned from7 sentences. Questions may keep_up a person.Logical formLearned from7 sentences. A person may keep_up with traffic.Logical formLearned from7 sentences. A person may keep_up a running.Logical formLearned from7 sentences. A site may be keep_uped to date.Logical formLearned from7 sentences. Some one may keep_up with a person.Logical formLearned from7 sentences. A person may keep_up on news.Logical formLearned from7 sentences. A country may keep_up (air strikes) on a country.Logical formLearned from7 sentences. A body may keep_up with a mind.Logical formLearned from7 sentences. A person may keep_up with orders.Logical formLearned from7 sentences. Factories may keep_up with demand.Logical formLearned from7 sentences. A male may keep_up numbers.Logical formLearned from7 sentences. Trouble may keep_up with recent changes.Logical formLearned from7 sentences.