С,раньше учил choose the correct item 1.she always the door with a key. a.has locked b.locked c.locks 2. the floor in the kitchen now a.is washing b.washed c.has washed 3.jack us lately a.joins b.joined c.has joined 4.the biology last year a.studied b.studies c.has studied 5.they at him a.laughed b.laughs, c.have laughted