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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选出不同类的单词:（   ）

A．two

B．eleven

C．o'clock

我能按数字从小到大的顺序,将字母重新排序。

A．two

B．four

C．one

D．five    E．three

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How many birds are there ? There are__________.

A．eight

B．8 o’clock

C．cold

看图片写句子

1.There are _____________people.

2.How many balls are there?
There are _____________balls.