We are good friends though he is ten years ________ to me.
It was ___ he said ___ disappointed me.
It was ___she was about to go out ___the telephone rang.
---Who is making so much noise in the garden? --- ___ the children.
Were all three people in the car injured in the accident? No,___ only the two passengers who got hurt.
---what causes your heart attack? ---It is_____