They...not studied. 1)has 2)have 3)do 4)are Mary ... ... blue eyes. 1)is 2)are 3)am 4)has Spring... ... ...winter 1)follows

They...not studied. 1) has 2)have 3)do 4)are — They have not studied. — Have they not studied?

 Mary ...  blue eyes. 1)is 2)are 3)am 4)has — Mary has blue eyes. — Has Mary blue eyes?

Spring... winter. 1)follows 2)follow 3)is following 4)are following — Spring follows winter. — Does spring follow winter?