1.   And ethnic Albanian refugees continued filtered back into towns where Serb forces rampaged in past weeks.

2.   As NATO continued its northern advance, frightened ethnic Albanians filtered back into towns where Serb forces rampaged just days ago.

3.   As NATO continued its northern advance, frightened ethnic Albanians filtered back into towns where Serb forces had rampaged just days ago.

4.   Ethnic Albanians, meanwhile, filtered back into towns where Serb forces rampaged in past weeks.

5.   Ethnic Albanian refugees, meanwhile, continued filtering back into towns where Serb forces had rampaged.

6.   Ethnic Albanians, meanwhile, continued filtered back into towns where Serb forces rampaged in past weeks.

7.   Meanwhile, ethnic Albanians were filtering back into towns where Serb forces rampaged just days ago.

8.   Meanwhile, ethnic Albanians filtered back into towns where Serb forces rampaged just days ago.