填空题
【参考答案】
allowed改成allows
点击查看答案&解析
<上一题
目录
下一题>
热门
试题
填空题
where to
点击查看答案&解析
填空题
is改成was
点击查看答案&解析
相关试题
What kind of disease will harmful ...
In the last paragraph, on the who...
In the second paragraph, there are...
If the ozone layer is destroyed by...
Although vehicles are becoming more...