Answer:
I think that it explains why he decided to help
Answer:
The possessive error is up
Answer:
That's correct the comma goes after "Goodness gracious". :)
Explanation:
The would be a because it makes more sense than the other sentences. If you read each of them a will make better sense.
Answer:
Let's find out! With interactive whiteboards, it has become possible to incorporate high definition images, video and graphics into lessons. This has made it easier for difficult concepts to be explained to students in a visual manner, keeping them more engaged in class sessions.
Explanation:
