It is important to be consistent: unless you have reasons not to, you should stick only to one tense.
If you're telling a story, be consistent about whether you say it in the present tense or the past tense.
Answer:
Do you mean scratch.mit.edu as in the Scratch where you code? If that's what you mean, then yes, I have it
Answer: Kiki must choose whether to turn mya in or keep quiet about the jewelry theft
Explanation:
It would be
A. the dashes Dickinson uses
Hope this helps
Answer:
D: some people are questioning whether to keep testing students