18 Underline the correct word, then explain the phrases. t 1 lan is very active. He is always out and about/around. 2 After the argument they both did their best to clean/ clear the air. 3 I can't find my keys anywhere - they seem to have vanished into thin/delicate air. Matt is very determined to buy the cottage. He won't accept/take no for an answer. 5 They wanted to build a holiday resort here, but the owners of those beachfront cottages refused/denied to play ball. 6 They knew they would have to have to drive a difficult/hard bargain if they wanted to buy the house at a price they could afford.