句型转换。 1. David often goes to movies with friends on Sundays. (改为一般疑问句) _________ David often _________ to movies with friends on Sundays? 2. My mother has some sugar in her bag. (对划线部分提问) _________ _________  sugar _________ your mother _________ in her bag? 3. I think hamburgers are very popular in China. (否定句) I _________ _________ hamburgers are very popular in China? 4. There were two teaspoons of salt on the plate. (对划线部分提问) _________ _________ _________ of salt _________ _________  on the plate? 5.Can you tell me how to make an apple shake? (改写同义句) Can you tell me _________ I can _________ an apple shake?