用正确的be动词(am ,is ,are ,was,were)填空

用正确的be动词(am ,is ,are ,was,were)填空
the students___free today.they____going to play in the park this afternoon.
his mother___ill yesterday.she___better now.
where___you last night?
英语人气:529 ℃时间:2019-08-18 14:41:11
优质解答
are are was is were
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