否定句。
(1)The sheepisn'tisn't as heavy as that little cow.
(2)There isnono air on the moon.
【考点】肯定句与否定句转换.
【答案】isn't;no
【解答】
【点评】
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发布:2025/4/12 2:30:2组卷:10引用:1难度:0.8