11.   What about all those warnings about spiders lurking under toilet seats and AIDS-infected needles in movie theater cushions?

12.   What the United States has learned is the enormous complexity of what lurks under the label of terrorism.

13.   With grubs lurking under his front lawn, Geoffrey Rosenberg prepared for battle.

14.   Yet the trouble that lurked under the surface exploded with dramatic power in her new encounter with Onegin.

15.   But under that veneer lurk reminders of decades of brutality and repression that made South Africa an Olympic pariah.

16.   During the Soviet-era, dozens of submarines were on patrol, lurking under the waves with batteries of nuclear missiles ready for instant firing.

17.   In certain organisational cultures, feelings are taboo - they lurk only under the surface.

18.   Under this lurked the theme of a wife driven to insanity by her demanding husband and son and retreating into the fantasy world of her diary.

19.   But a host of issues including Taiwan, human rights, weapons proliferation and security differences have long been lurking under the surface.