Question

Read the article and fill in the gaps with the correct form of the verb.
1. An irish schoolgirl who a few month ago (1)(to design)........a computer code for sending secret messages via the interest and e-mail (2)(to win)..... The European Yong Scientists' competitions in Salonika, Greece .Sarah Flannery ,17, from Cork,(3)(to be).....on work training in Dublin when she (4)(to invent)......a code that is up to 30 times faster than RSA , the current data protection code.

Answer 1

1 designed 
2 e-mail won 
4  invented