1. (2022·武威) 阅读短文，回答问题

Hello! Welcome to my classroom. There are forty desks and chairs. There are twelve lights and three fans. There is a big teacher's desk in our classroom, too. Our classroom is clean and beautiful. We often read books，have classes and play games in it. Our classroom is our new home. We must keep（保持）our classroom clean.

1. （1） There are _________ desks and chairs in our classroom.

   A . thirty B . forty C . fifty
3. （2） There are three __________ in our classroom.

   A . fans B . lights C . chairs
5. （3） Our classroom is very__________.

   A . beautiful B . small C . big
7. （4） We often __________ in our classroom.

   A . play football B . have classes C . watch TV
9. （5） We must keep our classroom __________.

   A . clean B . beautiful C . dirty