1.   Few people realize where the cluster fly comes from.

2.   George sat looking like a frog who has no idea where his next fly is coming from.

3.   And, as many a dismayed homeowner has discovered, cluster flies often come indoors in the fall, then spend winter as adults in nooks inaccessible to swatters.

4.   After that came white flies, another pest, followed by aphids.

5.   Here comes another fly in the soup.

6.   When a fly comes to a flower, it is trapped in the oddly shaped bloom until pollination occurs.

7.   But now comes a fly in the ointment.