Paul did a great job in the speech contest.He mustmust（must/can）have practiced many times last week.
【考點(diǎn)】must have done的用法．
【答案】must
【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：2024/10/18 17:0:4組卷：3引用：2難度：0.6
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