Question

Professor Huosheng Hu's fish robots can swim around on their own. No one has to control them. Hu hopes to put some of the robots into the ocean. Like the other robots, the fish will have a job. They will look for pollution, like oil leaks from ships. Then people can come and clean the dirty water.
The robots will ___ pollution .

locate
avoid
remove
trap

Answer 1

The word to put in the blank is trap