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East or west, home is the best.
Look and say. 配音
It could find the people.
学习用 could /couldn't 谈论过去能做或不能做的事情。
Listen：Who could find the people?
搜救犬在工作犬的所有类别中，搜索与救援是仅次于警犬的、最受人们尊敬和赞扬的犬的热门职业之一。搜救犬的工作范围非常广泛，包括在自然灾害现场搜索与救援失踪人，比如地震废墟，建筑物倒塌，雪崩，山上及水面等各种现场以及在火灾现场辨认人类的痕迹等。搜救犬还要承担某些犯罪现场的搜索与救援工作。
Listen，say and answer.
There was a fire. There were
people inside the house. The firefighters couldn't see the people.They couldn't help them.
But they had a special dog. It could find the people. Then the firefighters could help them.
Listen，say and answer.
There was a fire.
The firefighters couldn't see the people.
They couldn't help them.
There was a fire.
?
What was there?
There were people inside the house.
There were people inside the house.
Where were there people?
The firefighters couldn't see the people.
Who couldn't see the people?
They couldn't help them.
Could the firefighters
help the people?
No, they couldn't.
Listen，say and answer.
But they had a special dog. It could find the people.
But they had a special dog.
?