安，在你的班级，这种问题经常被问吗？
Is this kind of ____ often asked in your class,Ann?

A ____ to four is 3:45.

这个男孩在睡觉。请关掉收音机。
The boy is sleeping. Please turn off the ____.

太累了，我们停下来休息会儿吧。
We are too tired. Let’s stop to have a ____.

现在所有的乘客乘火车之前都必须经过安检。
Nowadays all ____ must go through safety check before taking a train.

空气污染是现代社会最大的问题之一。
Air ____ is one of the greatest ____ in the modern world.

在英国，我们说找人分担一个问题，问题就变成了一半。
In English, we say that sharing a ____ is like cutting it in half.

——天气真好啊!为什么不去野餐呢？
——听起来很酷。走，野餐去。
—What a fine day! Why not go out for a ____?
—Sounds cool. Let’s go.

多么令人悲伤的消息啊！数以千计的人在尼泊尔地震中丧生。
What sad n____! Thousands of people lost their lives in the earthquake in Nepal.

I still remember the first time I left home for one or two ____(night).