Three dogs have ______ legs. (   )

A．twelve

B．ten

C．fourteen

读句子或对话，将其字母编号写在相应的图片下面。

A．There are three groups in our class.

B．—How many rulers are there? —There are thirty-eight.

C．Group 3 has eighty-eight stars. It’s the winner.

D．—How many crayons does Jiamin have? —He has fifteen.

E．We have forty-five English books.
【小题1】 （__________）
【小题2】 （__________）
【小题3】 （__________）
【小题4】 （__________）
【小题5】 （__________）

翻译。
1. 19 _________ 2. six _________
3. 9 _________ 4. eight _________

读一读写出数学算式。
1. How much is thirteen and ten? 
________ + ________ = ________
2. How much is twenty and eleven?
________ + ________ = ________
3. Twelve and three is fifteen.
________ + ________ = ________
4. Nine and fifteen is twenty-four.
________ + ________ = ________

--- Bob is 11 years old. How old is Bob? （   ）
---  

A．Eleven

B．Fourteen

C．Fifteen