is的复数
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is的复数
are
过去式是were
其实就是be动词哦.
am is are was were been
is的复数是are
过去式是were
学习愉快
are
is的复数时are 谢谢,请采纳
is的复数
are
过去式是were
其实就是be动词哦.
am is are was were been
is的复数是are
过去式是were
学习愉快
are
is的复数时are 谢谢,请采纳