Based on the thesaurus entry and the context of the sentence, use the drop-down menus to choose the best synonym for "hurdle" in each sentence. Use an online search engine to find a trusted online dictionary, then search and check the synonym definitions.
Answer
The runners passed over each hurdle in a flash.:
barrier
Selection 2:
problem

Question

Based on the thesaurus entry and the context of the sentence, use the drop-down menus to choose the best synonym for "hurdle" in each sentence. Use an online search engine to find a trusted online dictionary, then search and check the synonym definitions.

Answer

The runners passed over each hurdle in a flash.:

barrier

Selection 2:

problem

Revolt · Accepted Answer

✔ barrier; The runners passed over each hurdle in a flash.: barrier; problem