完成下列句子 1. There are five apples.(对划线部分提问) ___________________________________________________ 2. There are twenty dogs.(对划线部分提问) ___________________________________________________ 3. There are 12 potatoes.(改成疑问句) ___________________________________________________ 4. There are 10 carrots.(改成疑问句) ___________________________________________________ 5. How many flowers are there? (回答:那里有12朵。) ___________________________________________________