I _______ this movie before.

I have been waiting _____ two hours.

Choose the correct antonym of \'Optimistic\':

Read the passage: \'Coral reefs support 25% of all marine species. Rising ocean temperatures cause coral bleaching, which can kill entire reef ecosystems within weeks.\' What does \'coral bleaching\' refer to?

Choose the correct antonym of \'Benevolent\':

He has been working here _____ ten years.