Directions: Fill in the numbered blank (iv) with the best option from those given.

Directions: Fill in the numbered blank with the best option from those given.

_____(i)_____  of the moon _____(ii)______ only when the moon is full, for then it is at the opposite side of the earth from the sun. When the moon comes directly behind the earth, as seen from the sun, it passes ______(iii)______ into the great shadow-cone cast by the earth and disappears from view. A total eclipse of the moon then occurs. A partial eclipse ____(iv)______ when the moon enters only partly into the ____(v)______.