Compléter Fill in the BlanksVersion en ligne Choose the correct verb and fill in the gaps using the correct tense and form. par Virginia Baldini 1 a ) A mystery Mona Lisa's smile . Her identity is still today . b ) Not only did Leonardo his time , but he was centuries ahead of it . c ) The parachute that by scientists in 2000 following Leonardo's design to work . d ) You surely " the Last Supper " , Leonardo's mural painting that depicts Jesus and his disciples . e ) Leonardo's observed the flight of birds , then he his discoveries to many technological innovations . This that he was extremely interested in science and nature .