单项选择题

Customers often defer payment for as long as possible.()

A. make
C. postpone
B. demand　
D. obtain

相关考题

Although a herd of African elephants may have up to one...

单项选择题Although a herd of African elephants may have up to one thousand members,Asiatic elephants live in bands of five to sixty animals().

A. as many as
B. more than
C. fewer than
D. at least