Sam is going to the supermarket with his mum. (變?yōu)榉穸ň洌?br />Samisn'tisn't going to the supermarket with his mum.
【考點】肯定句與否定句轉(zhuǎn)換.
【答案】isn't
【解答】
【點評】
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發(fā)布:2025/4/9 0:0:1組卷:23引用:4難度:0.8