They ______ English lessons on Friday. [

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问题选择题

They ______ English lessons on Friday. [ ]

A. doesn't has

B. doesn't have

C. don't have

D. aren't have

答案

答案：C

问答题简答题

放射性异常浓聚，也称___________显像，是最常见的影像特征，是由于骨皮质的破坏和新骨的形成引起的，常见于___________、___________、____________、_____________、引起的骨质变化、骨膜损伤及骨增生性病变等。

单项选择题

要获得文件列表框中当前被选中的文件的文件名，则应使用哪个属性

A．Dir

B．Path

C．Drive

D．FileName