五、选出下列算式的正确答案
A. sixteen B. ten C. fourteen D. nineteen E. seventeen
1. sixteen+three= ____
2. ____-four= twelve
3. three+____= thirteen
4. ____-five= nine
5. nine+eight= ____

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

六、选择正确的单词完成句子
1. My hands have (ten/twenty) fingers(手指).
2. Five and eight makes (fifteen/thirteen).
3. Three cats have (sixteen/twelve) legs.
4. Four fives are (twenty/thirteen).

1. ten
2. thirteen
3. twelve
4. twenty

七、选择合适的选项补全对话
A. Do you have old things at home?
B. No problem.
C. How much is it?
D. I put it in my box.
Chen Jie: Hi, Sarah! Can I use your ruler?
Sarah: 1
Chen Jie: 2
Sarah: It's twelve yuan. It's an old ruler. 3
Chen Jie: Yes, I do. I have an old pen. It's still good. 4
Sarah: That's nice.

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