Have you ever read any novels writing by Jack London

A. If I were you, I would spend more time improving my pronunciation.

B. If I am you, I would spend more time improving my pronunciation.

C. If I am you, I will spend more time improving my pronunciation.

D. If I were you, I will spend more time improving my pronunciation.

B. What are Martians thought to look  like? 

C. Martian Civilization: What happened to it? 

D. Mars and the belief that life exists on it 

B. with

C. of

A. employed

B. employing

C. unemployed

D. unemployment

B. eruption

C. bury

A. well-known

C. knowledgeable

A. impact          

B. result         

C. consequence       

D. affect