A little boy wrote ___ "u" and ___ "n" on the wall.
问题描述:
A little boy wrote ___ "u" and ___ "n" on the wall.
答
A little boy wrote an "u" and a "n" on the wall.
A little boy wrote ___ "u" and ___ "n" on the wall.
A little boy wrote an "u" and a "n" on the wall.