六、排列顺序。
Thanks!
Excuse me! Do you know where the post office is?
Then go to the park and turn right.
You're welcome!
Yes. Go straight down the street and turn left at the traffic lights.

4 1 3 5 2

A riddle 谜语
If two cats are in front of a cat, and two cats are behind a cat, and one cat is in the middle, now how many cats are there in all?
如果两只猫在一只猫的前面,两只猫又在一只猫的后面,一只猫在中间,现在共有多少只猫? ()

Three