A.
B.
C.
E.
^all of those choices are nouns
D is the only one that is not a noun because it is describing something =(adjective)
IF I can sing well enough, I'll join the school chorus.
The IF implies that something is conditional i.e. it may happen, it may not happen (it depends on whether you can sing well enough!)
Hope this helps... :)
Answer:
i think so the people they were killing couldnt have any knowledge
Explanation:
Say the same decrease increase approach the rail rate