Tìm lỗi sai:
Tìm lỗi sai:
6. We see lightning before we hear the thunder it causes because sound travels more slowly than light.
7. Bats are able to guide themselves by producing sound waves so high for us to hear.
8. Anyone who has ever tried to pick up spilled mercury agree that this element is hard to handle.
9. That touching toads causes warts are still one of the most widely believed superstitions in America.
10. A balance between cheap production and high quality have been a major concern in the field of crafts.
6. We see lightning before we hear the thunder it causes because sound travels more slowly than light.
7. Bats are able to guide themselves by producing sound waves so high for us to hear.
8. Anyone who has ever tried to pick up spilled mercury agree that this element is hard to handle.
9. That touching toads causes warts are still one of the most widely believed superstitions in America.
10. A balance between cheap production and high quality have been a major concern in the field of crafts.