________they decide which college to go to,students should research the admission procedures.
A.As
B.While
C.Until
D.Once
答案:D
考查连词。once在句中引导状语从句,表示“一旦”。句意为:一旦学生决定上哪个大学,他们就应该了解一下入学手续。其他几项不合题意。
答案: D
________they decide which college to go to,students should research the admission procedures.
A.As
B.While
C.Until
D.Once
答案:D
考查连词。once在句中引导状语从句,表示“一旦”。句意为:一旦学生决定上哪个大学,他们就应该了解一下入学手续。其他几项不合题意。
答案: D