根据括号内的要求改写句子，每空一词。

1．The red sweater is eight dollars．（对划线部分提问）

_________ _________ is the red sweater?

2．Peter's sister likes thrillers．（一般疑问句）

_________ Peter’s sister _________ thrillers?

3．We have an Art Festival each year．（否定句）

We _________ an Art Festival each gear．

4．He likes science because it is interesting．（对划线部分提问）

_________ _________ he like science?

5．That is my new English dictionary．（变为复数句）

_________ are my new English _________．