作业帮 > 英语 > 作业

请问为什么用covering :seen from the moon,our earth ,with water cov

来源:学生作业帮 编辑:搜搜考试网作业帮 分类:英语作业 时间:2024/06/16 14:40:13
请问为什么用covering :seen from the moon,our earth ,with water covering
_______ from the moon,our earth with water ______ twenty percent of its surface,appears as a blue ball.
a.Seen,covered b.Seen,covering
.第一空我懂 ,想知道cover为什么用ing ,不是被水覆盖的吗?
请问为什么用covering :seen from the moon,our earth ,with water cov
第二问是考with 的复合结构.动词的现代分词表主动,水是主动覆盖在地表的,按照你的理解,twenty percent of its surface is cover by water.
而此句是water covers the twenty percent of its surface.