In the following passage some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each number.

Necessity, they say, is the mother of invention. Dr Burjor P Banaji, pioneer of Lasik surgery inIndia has (1)______ over a dozen surgical instruments. When (2)______ senior eye surgeonat Max Eye Care started Lasik, there were (3)______ surgeons doing it worldwide and no(4)______ instruments were available either. "As I want things (5)______, I designed a wholeslew of instruments that made my surgery more efficient," says Banaji.