When the sun goes down, we can see the moon and the stars high in the sky. We go to sleep, but some people work at night. Doctors and nurses work in the hospital（医院） and help the patients（病人）. Policemen drive police cars to go around the city. They want to keep us safe（安全）. Some workers work in the bakery（烘焙店）. They make nice bread and cakes for breakfast. Some workers carry fruit and vegetables to the supermarkets. Cleaners（保洁员） clean the shops, the schools and the streets at night. Teachers check（批改） students' homework late at night. Taxi drivers drive around and take people to the places they like.
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（1）
Where do doctors and nurses work?
A . At home.
B . In the hospital.
C . In the bakery.
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（2）
Who cleans the shops, the schools and the streets at night?
A . Teachers.
B . Taxi drivers.
C . Cleaners.
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（3）
Why do policemen drive around the city at night?
A . They want to help the patients in the hospital.
B . They drive around the city to keep us safe.
C . They want to take people to the places they like.
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（4）
Which sentence is NOT right（正确的）?
A . We can see the moon and the stars in the afternoon.
B . Some workers make bread and cakes in the bakery at night.
C . The passage（文章） is about some people working at night.
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（5）
What do teachers do late at night?
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