事实上,这里的空气污染变得越来越严重了。
_________, the air pollution here is getting more and more serious.
在很多领域,人们都广泛使用计算机.
Computers _________ widely ________ in many areas.
我们应该向那些勤奋的同学学习。
We should _________ the hard-working students.
在班会上,在家都同意了我的看法。
Everyone _________ me at the class meeting.
我们必须在明天八点前到达火车站。
We must _________ the train station before 8:00 tomorrow morning.