几道题做不来,网友们帮帮忙1.They're singing and dancing对singing and danci

几道题做不来,网友们帮帮忙
1.They're singing and dancing对singing and dancing提问 2.He has a dictionary对a提问 3.I went to the park just now变为否定句 4.There is some beef on the plate对some提问 5.I'd like a bowl of beef noodles对a提问 6.I think English is interesting对interesting提问