91.  Reform politicians seeking election are knocking on doors from St. Petersburg to Siberia this fall.

92.  State officials are also planning to knock on doors of former welfare recipients this summer, informing them of the benefits.

93.  The shock came a little later, when police knocked on her door.

94.  They knock on doors in the afternoons, when the men are away, and quietly give young housewives birth-control pills, condoms and counseling.

95.  They accuse Russian troops of running wild, knocking on doors demanding vodka and women, and driving armored vehicles over cars that get in their way.

96.  They could only knock on doors and canvass voters in the street.

97.  They knock on doors in the wee hours of the morning to get first crack at everything from lawnmowers to bathing suits.

98.  They were running down hallways knocking on doors when the bomb went off.

99.  They knock on doors in the wee hours to get first crack at everything from lawnmowers to heirlooms.

100.  They were permitted to knock on doors and canvass voters in the street.