任务型阅读：根据短文内容完成下列句子。
Clocks and watches help us get to the place on time. They can make our life easy. Have a quick look at a watch or a clock, and we can know the time. If we have little time, we must be quick. If we have
much time, we can take our time. We know the time, so we can do everything in time. But what about
the blind people? They can't see clocks or watches. Of course they don't know what time it is! What a
hard life they are having! That's why someone makes a "talking watch" for blind people. The watch can
tell them the right time. There is a button on the watch. When you touch the button, a voice ?tells" the time. When it is dark at night, everyone can find the talking watch useful. The talking watch helps people a lot.
1. If we have no clocks or watches, we_______ get to school on time every day.
2. If we don't know the time, our life will be________.
3. ________people can't see anything.
4. If someone can't see anything, he can know the right time by using a________ watch.
5. People who can see will_________ the talking watch useful at night.