用适当的情态动词完成下列对话 1. A: ______I finish my homework now? B: No,you____.You____do it tomorrow. 2. A: This bag is very old. ____you still use it? B: Yes,I can. 3. A: _____I go out and play football,mum? B: No,you______finish your homework first. 4. A: ______I play football in the street? B: No,you____. 5. A: _____you find many students in the classroom? B: No,I_______.