_____ will be easier and cheaper to be online.A.That B.It C.at D.They

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_____willbeeasierandcheapertobeonline.A.ThatB.ItC.atD.They_____willbeeasierandcheapertobeonline.A.Th

_____ will be easier and cheaper to be online.A.That B.It C.at D.They
_____ will be easier and cheaper to be online.
A.That B.It C.at D.They

_____ will be easier and cheaper to be online.A.That B.It C.at D.They
B
it引导同位语从句
真正的主语是to be online

B

B:形式主语

B , it是形式主语