-When are you leaving? -My plane _____ at six.
72. For many days I have been trying to ______ what it is that makes Jack so angry.
73. --- You just think of yourself! You kept me waiting for at least three hours. --- I’m sorry that you _____ think so.
74. --- Sally, would you ______ the story? --- But I told the second part of the story this morning! It should be Jean’s turn.
75. When on holidays, the railways put on _____ trains to make people’s travel more convenient.
76. All flights _______ called off because of the terrible weather, they had to go there by train.