On October 29, 1929, the stock market lost ______ dollars’ paper value in a few hours.

A. check an address
B. book a table
C. make an appointment
D. sell something
E. place an order
F. cancel a meeting
G. congratulate someone
H. offer a lift

A．Try not to be partial.
B．Help him to gain popularity among employees.
C．Never promote him to a higher position.
D．Encourage him to find proof for his knowledg