Sam has finished his homework.（改為過(guò)去完成時(shí)） Sam had finished his homework.Sam had finished his homework.
【考點(diǎn)】過(guò)去完成時(shí)．
【答案】Sam had finished his homework.
【解答】
【點(diǎn)評(píng)】
聲明：本試題解析著作權(quán)屬菁優(yōu)網(wǎng)所有，未經(jīng)書面同意，不得復(fù)制發(fā)布。
發(fā)布：2024/4/20 14:35:0組卷：3引用：1難度：0.7
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