$1$. He goes to work by car.

$2$. During rush hour, the highways are usually crowded causing traffic jams. 

$3$. They have to wait for hours or turn back to go on another route.

$4$. Because it has snow. 

$5$. The layer of snow is thick.

$6$. They have to leave their vehicles outside and walk home.

$7$. He feels tired.

$8$. He usually listens to music.

$\text{Cho Mik hay nhất nhé}$

=>
1. He goes to work by car.
2. The highways are usually crowded causing traffic jam.
3. Mosy of drivers have to wait for hours or turn back to go on another route.
4. Because in the winter, especially when it snows, it is storngly for vehicles to move on thick layer of snow.
5. It is thick.
6. Many people have to leave their vehicles outside and walk home.
7. He feels really tired.
8. He usually listens to music and wiats until the end of traffic jam.