Al. algorithms can also help to detect faces and other features in photo sent to social networking sites and automatically organize them. 

A. which                           

B. who                              

C. where                           

D. when 

A. cultures                         

B. customs                        

C. migrants                       

D. ideas 

A. February 1783              

B. September 1783            

C. November 1782            

D. July 1776 

A. me to drink                   

B. me drink                       

C. me drinking                  

D. I will drink 

A. Thank you for looking for it.                              

B. You can say that again.

C. I'm glad you like it.                                            

D. I like reading books. 

A. hadn't he                       

B. didn't he                        

C. couldn't he                    

D. wasn't he 

A. Knowledge drives behavior, loyalty, satisfaction.

B. A far-reaching cultural transformation.

C. The importance of experience to competitive advantage.

D. Businesses are unwilling to disrupt themselves.