Question 1: The vast wilderness of Alaska offers some unbelievable ecotourism opportunities, and one of the most __________ tourism industries in the USA.
sustainable
Question 2: The university administrations are introducing new measures to __________ that the enrolment process runs smoothly.
ensure
Question 3: I was sick as a __________ after eating that cake, but everyone else still feels normal.
dog
Unlock this slideshow and over 4 million more with Baamboozle+
