1.   You will soon notice the difference if you make a sudden switch between the two.

2.   There was a momentary pause at this sudden switch in the conversation.

3.   There was an embarrassed clearing of throats from Charles and her father, who were witnessing the sudden switch of topic with dawning understanding.

4.   As for the sudden switch in the midst of the voting, McLagan called it a technical error.

5.   A sudden switch in Vietnam government regulations doubled trucking costs, for example.

6.   Employees of an outdoor-sports store in Tempe, they hiked in silence, hoping against a sudden switch in the wind.

7.   Federal public health officials were chagrined but not overly worried by the sudden switch in diagnosis.

8.   The sudden switch sent irate viewers scrambling from their television sets to their computers where they lit up the Internet and on-line services with complaints.

9.   The sudden switch on carbon dioxide caught several Cabinet members by surprise.

10.   Then, in a sudden switch that should have made me suspicious, she asked if the house next door to me is still for sale.