请读句子，按需要填上a或an。1. This is ____________ English hoy. He is ____________ student.
2. There is ____________ orange and ____________ pear on the table.
3. There is ____________ red apple in my bag. Would you like ____________ apple?
4. That's ____________ old lady. She is ____________ farmer.
5. What's this? It's ____________ tiger. It's ____________ big tiger.1. an, a 2. an, a 3. a, an 4. an, a 5. a, a