1)On 2)
after 3)in 4)at 5)in 6) in 7)for, 8)at 9)at
B)
1)Nora usually Has a walk at 1o'clock
2) That day Nora Has a walk after classes
,3)Nora laughed at Allan because he running so quickly
4)Allan ran because he try to stop two boys
5)Nora usually seen for a walk in summer