The true sentence is the following one:
B. Individual productivity is necessary for group productivity.
Imagine a work in a group, where the people all receive their personal tasks that they will later incorporate into the group work. If each person is not productive on their own task then the whole group will not be productive!
Answer:
to lead
Explanation:
a CONDUCTor LEADs a band. apply that here.
C) because “clip-clip” is a sound
I think D because it's the most common thing you'll see in many fiction books.
Try to underline the particular word so that it would be much easier
