1 . 听下面一段独白，回答以下小题。
1. How many people were dead in the air crash?

A．11.

B．99.

C．110.

2. What happened after the air crash?

A．No one survived.

B．The survivors were in bad condition.

C．Only 5 bodies were identified.

3. What were adding officials busy doing?

A．Researching the reason of the crash.

B．Identifying the rest of the victims.

C．Searching the two black boxes.

4. When did the plane pass its last examination?

A．In November 2017.

B．In May 2018.

C．In July 2019.