Explanation:
It is best to review often throughout the course to keep material fresh in students’ mind and especially before major exams which cover a lot of topics. Reviewing will help students feel more comfortable with old material and give you the opportunity to combine topics which may have been studied separately.
Answer:
B
Explanation:
Let's not make it complicated. The original text used stuff about, making it less informal and casual. Although the question is looking for a more concrete phrase, A and D doesn't look like a better way to write it.
Maybe consider C but it's highly likely its B.
Weak, typically anything that is cited from wikipedia is seen as unreliable
C. The auther uses humor to decide the issue for themselves.
The answer is Non stop. Because they constantly had something to chat about.