What's that的复数形式

What's that的复数形式 What's this 的复数形式 “that's”的复数形式是什吗? that的复数形式 what's that 改为复数 英语What's this?的复数形式是? What is that?改为复数形式. She's a girl What's this in English What's that in English 这些怎么变复数形式? What's this?怎么改为复数形式 What’s this?复数形式简单吧 that’s an orange变复数形式 That's a girl.改为复数形式 That's a box变成复数形式 That's Chinese bike.变成复数形式 写出下列句子的复数形式this is my book.is that your sister?that is my baseball.is this your friend?what's this in english? that的复数形式是什么 that this 的复数形式 Who is she?She's my teacher What's that?It's a renily--box改为复数形式