Question

【題目】Sam is going to the supermarket with his mum. （變?yōu)榉穸ň洌?/span>

Sam________ going to the supermarket with his mum.

Answer 1

【答案】isn’t

【解析】

句子意思是：Sam打算和他的媽媽一起去超市。要變成否定句，直接在動詞is后面加not即可。縮寫為"isn't"。故答案為isn't。