C ... John 1) ................ (be) very busy recently. He 2) ................ (paint) the living-room and the bedrooms, but he 3) ................ (not/ start) painting the kitchen yet.

C. 1) The verb 'be' is used with the Present Perfect Simple because it describes a state that started in the past and continues to the present. 2) The verb 'paint' is used with the Present Perfect Continuous because the action started in the past and is still ongoing. 3) The verb 'start' is used with the Present Perfect Simple in the negative form because it refers to an action that has not started up to the present. * *John 1) has been (be) very busy recently. He 2) has been painting (paint) the living-room and the bedrooms, but he 3) hasn't started (not/start) painting the kitchen yet.* Ответ: *1) has been; 2) has been painting; 3) hasn't started*