I. My cousin --------- with our family for twenty years.
1)stayed 2)was staying 3)has stayed 4)has been staying

II) They have ---------- place in their house.
1)too 2)enough 3)----- 4)much

III) The --------mountain in Armenia is Aragats.
1)high 2)higher 3)higest 4)tall

IV) I --------the Browns a few months ago.
1)shall visit 2)visited 3)have visited 4)has visited