题目内容：
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
参考答案：
答案解析：
填空题：Stamp collectors have paid $16,800 for ______.A) one Two Pen
- 题目分类：英语三级B级
- 题目类型：填空题
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A) one Two Penny Blue
B) twelve Two Penny Blues
C) one One Penny Orange-Red
D) fourteen One Penny Orange-Reds