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4 votes
Read this line from the text:

Scientists are working tirelessly to learn as much as they can about this predator.

What does tirelessly mean in this sentence?

Without break
Taking frequent rests
Without fail
In a frenzy

2 Answers

2 votes
Without break is the best fit description of tirelessly
User Jerome Provensal
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8.1k points
3 votes
Without break and consistently.
User Mehmet Sahin
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7.1k points