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Bertie: Do you mind if I use your fax 1_______?
Louise: Not at all. Help yourself.
Bertie: I’ve put the document in and 2_______, but nothing’s happening.
Louise: 3_______. Ah, that winking red light means the ink cartridge is empty.
Bertie: Oh, what a shame!
Louise: No, don’t worry. It doesn’t take a second to replace 4_______ and I’ve got a spare one here.