I know the answer isn't C or D. A or B both seem likely until you see that B involves a 'comma without a conjunction,' either way you should never put a comma before 'and'; I am not sure why but I am pretty sure this only applies in a formal document. So your answer is A.
Answer:
i dont think it is important
Explanation:
there is no point in staying up to date if nothing changes in our every day life
Answer:
The answer is D on number 5
Explanation:
1-D.
2-B.
3-C.
4-A.
5-D.
6-C.
7-B.
