I have been stayinghave been staying(stay) in the lab all the afternoon.
【考點(diǎn)】現(xiàn)在完成進(jìn)行時.
【答案】have been staying
【解答】
【點(diǎn)評】
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發(fā)布:2024/5/27 14:0:0組卷:0引用:1難度:0.5
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