句型转换。 1. He often does his homework every evening. (一般疑问句) _____ he often _____ his homework every evening? 2. There are six boats on the river. (对画线部分提问) _____ boats are there on the river? 3. I want to go shopping this Sunday. (同义句) I want to _____ this Sunday. 4. Tom doesn't know much Chinese. (同义句) Tom knows _____ Chinese. 5. The students are all here. (同义句) _____ the students are here.