The pipa is mainly used in Chinese music.
It would be answer "a"- because if you are not putting the commas in, it would be just a run-on sentence. So, it would be, "World War II, which lasted from 1939 to 1945, was a global conflict involving nearly every nation in the world." Having the commas in will help the reader digest and sink the information in on what the topic is, without the sentence just running through without any commas. Hope this helps. =)
Answer:
If this business would really be finished when I did the deed, then it would be best to get it over with quickly
Explanation:
A ~ Declarative o<span>f the nature of or making a declaration.</span>"declarative statements"
It is I have come.
present simple I / you / we / they come
he / she / it comes
past simple came
past participle come
-ing form coming