Foes may keep_up pressure.Logical formLearned from7 sentences. A person may keep_up criticisms.Logical formLearned from7 sentences. (Fighter jets) may keep_up attacks.Logical formLearned from7 sentences. An international community may keep_up pressure.Logical formLearned from7 sentences. A male may keep_up a rhetoric.Logical formLearned from7 sentences. A school may keep_up classes.Logical formLearned from7 sentences. A US-president may keep_up an offensive.Logical formLearned from7 sentences. Authorities may keep_up pressure.Logical formLearned from7 sentences. Troops may keep_up attacks.Logical formLearned from7 sentences. Militants may keep_up a stream of rockets.Logical formLearned from7 sentences. (Security forces) may keep_up a hunt.Logical formLearned from7 sentences. A male may keep_up a schedule of (speaking engagements).Logical formLearned from7 sentences. Trouble may keep_up with tactics.Logical formLearned from7 sentences. Troops may keep_up an offensive.Logical formLearned from7 sentences. A male may be keep_uped to date.Logical formLearned from6 sentences.