Relier Pairs Perfect formsVersion en ligne Match the beginning with the ending par Olga M Martinez 1 2 When do you think they'll be here? 2 5 Why are they so exhausted? 3 4 Why couldn't we use the rooms? 4 6 Why didn't the students respond? 5 8 What time are they setting off tomorrow? 6 7 Why were they apprehended? 7 1 Why didn't you call? 8 3 Why did they look so hot and sweaty? h They've been working al1 day up in the attic. b 1 think they'd been working out in the gym. f Well, they hope to have been driving for five hours by lunchtime. e They weren't listening. d 1 was going to, but 1 clean forgot. g They were being cleaned. a They could be arriving at any moment. c They must have been doing something wrong.