Fighters may keep_up a stream of rocket on targets.Logical formLearned from6 sentences. A country may keep_up a military operation.Logical formLearned from6 sentences. Infrastructure may keep_up with a growth.Logical formLearned from6 sentences. A male may keep_up a bid.Logical formLearned from6 sentences. (Acquisition activity) may keep_up a (record pace).Logical formLearned from6 sentences. Trouble may keep_up with payments.Logical formLearned from6 sentences. A team may keep_up a form.Logical formLearned from6 sentences. A government may keep_up aggression.Logical formLearned from6 sentences. Forces may keep_up raids.Logical formLearned from6 sentences. A person may keep_up spitting.Logical formLearned from6 sentences. A language may keep_up a supply of (power groundstrokes).Logical formLearned from6 sentences. Contacts may be keep_uped.Logical formLearned from6 sentences. A president may keep_up a person.Logical formLearned from6 sentences. A knee may prevent a female from keep_upping with a rest of a team.Logical formLearned from6 sentences. A US-president may keep_up with developments.Logical formLearned from6 sentences.