Which sentence does not contain any errors in period usage?
a. He retired from the CIA. after 30 years of service.
b. I'd like to be home by 3:00 PM today.
c. The beaches in Miami, F.L., were packed with tourists.
d. The speed limit on this road is 45 m.p.h., so slow down!

Respuesta :

Answer=B

a.) The period creates two fragmented/incomplete sentences.

b.) B is correct

c.) It is incorrect to put periods after the abbreviations of states. 

d.)The sentence should read, '45mph', writing 'm.p.h.' is inaccurate.