21.   His eyes were hard as he tightened his grip on her.

22.   Her eyes were only very slightly glazed as Fernando Serra tightened his grip on her hand and led her out of the Guadalquivir suite.

23.   Unthinking, she tightened her grip and felt him laugh under her hands.

24.   Dawn muttered rudely, and Robert tightened his grip on her shoulder.

25.   As sponsorship tightens its grip on British life, the combinations grow ever more incongruous.

26.   Sir John tightened his grip.

27.   As Microsoft tightens its grip on the desktop, the same thing could well happen in the PC world.

28.   As plant fever tightened its grip, young trees, shrubs, and perennials boarded along with their new owners, filling every spare seat and many a lap.

29.   As economic reform progresses, social controls on ordinary people tend to diminish, even as the regime tightens its grip on political dissent.

30.   As for sex offenders, the Legislature continued tightening its grip with a host of new laws on sentencing and registration.