附加题 1. I see two ________. a. bird b. birds 2. I _______ a frog. a. am b. is 3. I have _____. a. an apple. b. a apple 4. 2+3=_____. a. six b. five 5. 5+4=_____. a. ten b. nine 6. What do you see? a. I see a cat. b. I see a rabbit. 7. How many bees? a. Three bees. b. Two bees. 8. What can you do? a. I am a butterfly. b. I can read. 9. Is this a frog? a. Yes, it is a frog. b. No, it is a bee. 本文来源：https://www.wddqw.com/doc/b70371183a68011ca300a6c30c2259010202f30d.html