题目内容：
A crowded
B vacant
C lonely
D alone
参考答案：
答案解析：
单选题：A crowdedB vacant C lonely D alone
- 题目分类：卫生类
- 题目类型：单选题
- 查看权限：VIP
A crowded
B vacant
C lonely
D alone
A crowded
B vacant
C lonely
D alone
During the experiment，Gardner had trouble speaking clearly．
During the experiment，Gardner had trouble speaking clearly． A．Right B．Wrong C．No
A The campaign will highlight the motor industry's efforts t
A The campaign will highlight the motor industry's efforts to reduce emissions o
The high—speed trains can have a major impact on our lives．
The high—speed trains can have a major impact on our lives． A．effort B．problem C
The glaciers in the passage are compared to a machine.
The glaciers in the passage are compared to a machine.A．A Right B．B Wrong —考试大+
（8）__________
（8）__________