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