题目内容
根据括号要求写出相应部分：
英语字母中有 ______ 个元音字母。
它们分别是 ______ 。（小写按顺序）
children (单数) ______
根据括号要求写出相应部分:
they(反身代词) ______
______ (起初), Tom was reading in the room.
A few minutes later he was playing outside.
right(反义词) ______
