be sure to let tom know the notice as soon as he 为啥选C---A.will arrive B.was arriving C.arrivesD.arrived.请详细一些,
问题描述：
be sure to let tom know the notice as soon as he 为啥选C
---A.will arrive B.was arriving C.arrivesD.arrived.请详细一些,
答
as soon as 从句为时间从句，此类从句中用现在时代替将来时，这是初中英语时态和句型的重要考点
答
as soon as引导时间状语从句,要用“主将从现”.也就是主句将来（包括将来时、情态动词、祈使句）,从句（as soon as后面）用一般现在.所以用arrives