01Passive voice across tenses24 min02Causatives: have/get something done27 min03Lead to, at the expense of and impact30 minOne change, several effectsPreparing your listening…Unit check25 questions03 · UNIT CHECKUse what you learned.1 / 25The river has been ___ since the barrier opened.AmonitoredBmonitoringCmonitorDmonitorsChoose one answer.Check answer
