翻译下列句子
1. What’s six plus twenty?
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2.50+20=?
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3. Do you know the missing number?
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4. The missing number is twenty.
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Link（连线）
one  3
four  6
six   4
three 1

Find the different words.选出不同类的单词：
（_____） 1. A. afternoon B. morning C. good D. night 
（_____） 2. A. mouth   B. hand     C. eye   D. look 
（_____） 3. A. three     B. tree C. four   D. two 
（_____） 4. A. my  B. he     C. she D. it

将句子按照句中出现的数字从小到大的顺序排列。

A．I have three oranges.

B．Look! There are five birds.

C．---How many cars do you have? ---I have two cars.

D．There is a book.

E. There are four flowers.
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These two ducks have _____legs. （  ）

A．two

B．four

C．three