21.   The Yangjiazhangzi events were unusually unruly, but worker and peasant protests have become increasingly frequent.

22.   When the protests became dangerous, professional groups sometimes supported them with food and funds.

23.   Protests are becoming increasingly violent and more worrisome for American officials.

24.   Protests have become common in many parts of Indonesia in recent months.

25.   Protests have become routine events but are usually disjointed.

26.   An anti-government protest became a riot when police fired pepper spray at thousands of demonstrators and bombarded a mosque with tear gas.

27.   Campus protests have become an almost daily ritual.

28.   Day by day, the relentless protests have become the most serious challenge to Milosevic in nine years in power, and the Serbian leader faces a tough choice.

29.   Greece has so far escaped a serious rift with NATO, but daily anti-war protests are becoming increasingly militant.

30.   Hamami said he told the rectors that several protests had become unruly, with students unfurling banners that carried improper messages.