I hadn't been to hospital before I fell off my bike., By the time the train driver had seen the car, it was too late., Joanna made the boy comfortable after she had called an ambulance., By the time the helicopter arrived, it had gone dark., Doctors brought him back to life after his heart had stopped., Jasmine had her parachute checked before she jumped out of the plane.,

New Pulse 4, Unit 2, Grammar: Past Perfect and Past Simple WB exercise

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