题目

读一读，圈出合适的单词1. This is my mum . He’s / She’s a doctor.2. Let’s / It’s clean up.3. It have / has a long neck.4. We like our/ my school.5. Have some snack / snacks, please. 答案：【答案】1. She’s 2. Let’s 3. has 4. our 5. snacks【解析】略观察下列算式，并进行计算．=×（），=×（﹣），求+++…+的值．