句型转换（每空一分，共10分）
This is my sister. （改为复数形式）
_______ are my ________.
Mary is my sister. （改为一般疑问句，并作否定回答）
--- _________   _________ your sister?
--- No ,________   _________.
It is a dictionary. (对划线部分提问)
_________  ___________ in English?
Tommy’s English book is on the table. (改为否定句)
Tommy’s English book ________  ________ on the table.