FILL IN THE GAPS IN THE TEXT BELOW WITH A,B,C OR DHEALTHROW AIRPORT...

1. Fill in the gaps in the text below with a,b,c or d

Healthrow airport is one of the busiest _(1)_________ airport in the world. More than 90 _(2)__________ use

Healthrow to fly direct to about 200__(3)_____________ in 85 countries in the world. Every year Healthrow handles