It could either be choice 3 or 4.
There is a topic: "Reasons why people should buy hybrid autos."
Misspelled words? Nope. Use spellcheck if not sure.
No errors. None to me (I don't know about structure errors)
Only two details... looks fishy...
Choose from the two.
The answer is 4. it will give you the century or year when the word was first used
Answer:
The cat hid his mouse toy under the bed would be correct. In this sentence the comma is not needed.
