题目内容：
At the Mayan ruins, we imagined what it（ ） like 1,300 years ago when 30,000 people lived here.
A．must have been B．must be
C．should have been
D．should be
参考答案：
答案解析：
单选题：At the Mayan ruins, we imagined what it（ ） like 1,300 years
- 题目分类：英语
- 题目类型：单选题
- 查看权限：VIP
B．must be
C．should have been
D．should be