五、选择合适的选项补全对话。$A. need B. and C. count D. makes E. areJack: Look! Three and nine 1. _ twelve. Write it on the paper, Chen Jie.Chen Jie: OK. Look! I can 2. _ to fifteen. I 3. _ some paper.Jack: Well done! Do you know what four 4. _ eleven is?Chen Jie: Yes! It's fifteen. Three fives 5. _ fifteen too!Jack: And what about fourteen minus($减) two?
Chen Jie: Twelve?
Jack: Right! Haha! You are a clever girl!

1.D 2.C 3.A 4.B 5.E