Stamp collectors have paid $16,800 for ________.
A.) one Two Penny Blue
B.) twelve Two Penny Blues
C.) one One Penny Orange-Red
D.) fourteen One Penny Orange-Reds
正确答案是A
Stamp collectors have paid $16,800 for ________.
A.) one Two Penny Blue
B.) twelve Two Penny Blues
C.) one One Penny Orange-Red
D.) fourteen One Penny Orange-Reds
正确答案是A