Questions 21 and 22 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions.
Now listen to the news.
______ people were killed in the Israel and Palestine clashes.

A．To estimate the extreme weather.
B．To develop the satellite technology.
C．To improve agricultural output.
D．To learn how to change information to maps more efficiently.

A．Show his student ID and pay ten dollars.
B．Use his international driver’s license.
C．Take a driver’s test and apply for a limited license.
D．Show proof of temporary residenc