Answer:
constant
Explanation:
it's talking about how the students will be needing to change their skill set constantly
A. None of the others make sense, so it should be that one.
Answer:
D) after beginning
Explanation:
The best place to separate the run-on sentence into two sentences is after beginning.
Cut unnecessary things
e.g 1.quick unnecessary conversations.
Do only what really matters in time and try to be fast as you can to save your time for other important things