Though many extra trains and buses are used to carry passengers, traffic tools are still ________ needed during the Spring Festival.

 ----- How often do you go home? ----- _________.

Pop music is ____ an important part of society____ it has even influenced our language.

. --- Believe it or not, I passed the driving test at the first attempt yesterday.--- Great! But remember you can never be ___ careful when driving a car in the street.

In order to make up for the lost time, they are working ______.