It can take a ______ four hours to fly to America now
mere
major
Your lifestyle has a ______ impact on your health
sound
direct
I sat on the bed and immediately fell into a ______ sleep
major
sound
It's a _______ project, nothing has been done like it before
major
groundbreaking
This news story is an ________ hoax, not a word of it is true
exciting
elaborate
DNA was a ________ scientific breakthrough
major
mere
The new government's policies have had a ______ influence on the country's economic growth
severe
strong
The dog's ________ behaviour was a cause for concern to it's owners
aggressive
agonistic
Sometime a nap can have the _______ effect of making you more tired
opposing
opposite
The research focused on the _______ development of ecosystems
biological
natural
