Bob did his homework last night. (改為否定句).
Bobdidn't dodidn't do his homework last night.
【考點】肯定句與否定句轉(zhuǎn)換.
【答案】didn't do
【解答】
【點評】
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發(fā)布:2025/3/17 13:0:2組卷:5引用:1難度:0.6
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