Выберите правильный ответ. 1.bob saw / has seen this movie before. 2.we began / have begun to study for the test yet. 3.while maria was cleaning the apartament her husband were sleeping / was sleeping. 4.george left / is leaving for france tomorrow. 5.we hope that you had enjoyed / enjoyed last night. 6.the professor reviewed / had reviewed the material before he gave the quiz.