Answer:
The first one is Past Simple and next is Past Perfect. Personality, I think, that the first is better
The correct answer is C. I am absolutely positive.
Answer:
No, I mostly stay outside on my free time. I enjoying skiing and snowboarding I don’t tend to use technology. I feel the usage of a phone or computer 24/7 is complete nonsense. I believe there are better things you could do with your time. I think we should drop technology completely.
Explanation:
' C ' has the misplaced modifier. It makes the sentence sound like the commands take the obedience class.
It should say "The dogs that take the obedience class know several commands.".