阅读短文, 用阿拉伯数字在括号里填上各文具的数量。 Hello! My name's Chen Jie. Look at my pencil box. I have seven pencils, two pens, three rulers, five erasers and ten crayons. It's heavy (重的)． 1.2.3.4.5. ( ) ( ) ( ) ( ) ( )
根据情景，选择合适的句子补全对话。 ( ) 1. A. Please sit down. B. Thank you. ( ) 2. A. It's a pencil. B. Here's your present. ( ) 3. A. How are you? B. How old are you? ( ) 4. A. How many? B. What's this? ( ) 5. A. How old are you? B. How are you?
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A Happy birthday！
B My father is a doctor.
C I have three birthday gifts.
D I’m nine years old. 
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