1 . 听下面一段独白，回答以下小题。
1. How old is the speaker’s brother?

A．15.

B．19.

C．20.

2. What is the speaker’s mother?

A．A police officer.

B．A nurse.

C．A firefighter.

3. Why is it hard for the speaker to see her brother now?

A．Her brother has been infected with COVID-19.

B．Her brother is in isolation because of COVID-19.

C．Her brother is busy helping fight against COVID-19.

4. What does the speaker decide to do in the future?

A．Help more people like her brother.

B．Spend more time with family.

C．Study in a police training school.