题目内容：

根据括号内的要求完成下列各题，每空一词(含缩略形式)。

1.It is my cup.(改为同义句）

The cup________ _________.

2.These are my friends.(改为一般疑问句)

_________ _________ _________ friends?

3.－Is this her key? (补全否定答语)

—No,_______ _________.

4.Is that your pencil? (改为复数形式）

_________ _________ your_________？

5.—Are these his boxes?(补全肯定答语)

—Yes, _________ _________.