Answer:
A
Explanation:
"Keep", "factor", and "calculate" are all verbs in the list of things the new system allows teachers to do. The other sentences are inconsistent with their list of verbs/adjectives/nouns. Thus, option A is the only one that is grammatically correct.
Answer:
If a countries people is healthy then they do their all work properly like
if someone is working in company if she or he is healthy then they do all work properly cause of this they would make more good
Answer:
A piece of ground where a battle is or was fought on.
