1．A car with rust is expensive to fix, so what we should do?
It is not to avoid any car with rust.
It is best to buy a car with rust.
It is best to avoid any car with rust.
It is best to avoid any car without rust.
2．Frame damage is a sign that the car was in an accident.
对
错
3．Open and close all doors to ensure they work properly.
打开和关闭所有车门，确保其工作正常。
关闭所有车门，确保其工作正常。
打开所有车门，确保其工作正常。
打开行李厢，查看地毯下方是否存在水损。
