In this photo, the ducks _______ in the water. A. swiming B. are swimming C. are going to swimming
( ) I see ________ inside the envelope.
( ) —Must I finish my homework now? —No, you_______. You_______ finish it tomorrow.
( ) The rain comes from the_______.
( ) Lucy doesn’t have ________ eraser, but Lily has ________.
( )— What ________ he do? — He ________ pears on the farm.