21.   The activities help develop vocabulary, word recognition and thinking skills.

22.   There are those in the securities business who say this activity helps traders at some big firms cheat.

23.   Tumors need estrogen to grow, so the estrogen-blocking activity helps stop the growth or even shrink the deadly tumors.

24.   While invisible to customers and clients, these activities are helping to bring the two economies together.

25.   Assuming that we have recruited high-potential individuals, the following activities help in augmenting the quality of our people.

26.   Dollar-yen activity also helped the dollar move higher against the mark, analysts said.

27.   He entered Vietnam on a transit visa and the ministry refused to extend it, saying his activities were not helping bilateral relations.

28.   New export activity also helped push prices higher.

29.   She said physical activity can help overcome a disability, increase the capacity to function, or simply provide pleasure.

30.   The activity helped convince FBI officials to open a two-man office in Moscow last June.