题目内容：

句型转换（每空一分，共10分）

1.This is my sister. （改为复数形式）

_______ are my ________.

2.Mary is my sister. （改为一般疑问句，并作否定回答）

--- _________   _________ your sister?

--- No ,________   _________.

3.It is a dictionary. (对划线部分提问)

_________  ___________ in English?

4.Tommy’s English book is on the table. (改为否定句)

Tommy’s English book ________  ________ on the table.