1. 阅读下列短文，从每小题的三个选项中选出最佳选项。

    From Monday to Friday, the Chens are very busy.

    Mr. Chen is an engineer in a company. He works from 8:00 am to 5:00 pm.

    Mrs. Chen works in a library in a town. She drives her car to work. On the way to work, she leaves her little son with a baby—sitter. Her daughter goes to school on a school bus. She gets home at 4:30 pm.

    At 4:00, Mrs. Chen comes home from work with her son.

    The Chens usually eat dinner at 8:00 pm. After dinner, the girl does her homework and Mrs. Chen washes the dishes. Mr. Chen sometimes works at home. 10:30 pm is bedtime for the Chens.

1. （1） Mr. Chen works _____________.

   A . in a school B . in a company C . in a hospital
3. （2） Mr. Chen stays in the company for _____________ hours.

   A . eight B . nine C . ten
5. （3） Mrs. Chen goes to work _____________.

   A . by car B . by train C . on foot
7. （4） Mr. and Mrs. Chen have _____________.

   A . two children B . one child C . three children
9. （5） The Chens usually go to bed at _____________.

   A . 8:00 am B . 10:00 pm C . 10:30 pm