2 Choose the correct verb for each sentence and write it in the past perfect continuous. walk/ climb/ wait /not pay/ try. 1 I arrived late. They for two hours. 2 They for half an hour before they realised they'd left the picnic at the hotel. 3 Our teacher got very impatient with Talgat because he attention at all that day. 4 We to get tickets all afternoon, but the match was sold out by noon. 5 They looked exhausted when I saw them at the top. How long they ? ​