句型转换
 We have a speech contest on Wednesday evening. (对划线部分提问)
__________ __________ you __________ a speech contest?
 This is a nice watch. (变为复数)
__________ __________ nice __________.
 I like broccoli and tomatoes. (变为否定句)
I __________ __________ broccoli __________ tomatoes.
 Her sweater is only $30.(对划线部分提问)
__________ __________ is her sweater?
 She usually goes to movies on weekends. (变一般疑问句并做肯定回答)
__________ she usually __________ __________ movies on weekends?__________, she __________.