.....................

$\text{Answer:}$

15. This sign says:

A. This school isn't safe for children.

B. You don't need to behave well with everyone

C. You have to take off your shoes here.

D. You have to behave well to create a safe school.

16. What does the sign mean?

A. You must turn left

B. You can turn left and right

C. You have to go ahead or turn right

D. You can do a U-turn

$\text{#Hoidap247}$