B .
C .
D .
B .
C .
D .
— ______
D . 
a. tell the strangers our personal information.
b. obey the local traffic rules.
c. never stretch our hands out of the window when taking a bus.
d. avoid eating raw and cold food.
e. swim in the dangerous area
—Sure. In the two ______we needn't go to school.
①some drivers drive behind us without making any noise
②something falls from a high building when we are walking
③a car runs across the street fast even though the traffic lights are red
④everyone waits for the traffic lights to turn green before crossing the street
⑤many people are waiting for the bus at the bus stop
①Keep a good attitude. Don't be worried or nervous.
②Write down the answers as carefully as you can
③Ask your friends for help when you have trouble.
④Hand in your paper as soon as possible.
⑤Check your answers after finishing it and correct your mistakes.
—There are ________ days in a year.