11.   Technology is already playing a significant role in classroom teaching.

12.   The newly disclosed documents contradict White House claims that Mrs Clinton did not play a significant role in the firings.

13.   These factors play a significant role in determining how long it will take to train a network.

14.   These particular fatty acids can play a significant role in preventing heart disease and clogged up arteries.

15.   Certainly industry has played a significant role in destroying natural areas, generating pollution and using up resources.

16.   Although not a political party, MAAK aimed to play a significant role in Macedonian politics.

17.   Conversely, construction and financial services were expected to have a more significant role.

18.   In particular, we will neglect audiotex and fax-based publishing altogether since neither look like having a significant role in multimedia applications.

19.   And she came to play a significant role in building his career.