No student devices needed. Know more
9 questions
上
up
down
left
right
下
up
down
left
right
左
up
down
left
right
右
up
down
left
right
里
in
out
many
less
外
in
out
many
less
多
in
out
many
less
少
many
less
in
out
中间
middle
left
right
Explore all questions with a free account