UNICEF __________________ humanitarian assistance to developing countries since 1946., will have provided, has been providing, He seems __________________ us., to have forgotten, to forgetting, When she saw Jan, she knew immediately that he __________________., had cried, had been crying, Everyone seems __________________ at the moment., to be working, to have worked, My family __________________ in that house for over 100 years by the time we were forced to move., will have lived, had been living, He said he was sorry __________________ your party., to missing, to have missed, We __________________ all our food and we still had two more days of travel., had already eaten, had been eating, Next year, it __________________ twenty years since we met., will have been, has been, It's great __________________ my exams., to have finishing, to have finished, I __________________ six houses in my lifetime, but this is by far the best., have owned, have been owning, We hope __________________ the work by 5 o'clock., to have done, to have been doing, They __________________ that shop because it wasn't making money., have closed, have been closing, This room is filthy! What __________________ all morning?, have you been doing, have you done, You should ask Don. He may __________________ some good restaurants., know, be knowing, By 2038, Tom __________________ the company for twenty years., has been running, will have been running, Look al this car! We __________________ to fix it for weeks., have tried, have been trying

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