【C8】A．ifB．whetherC．as toD．that

He spoke so loudly _______ be heard by all.A.that couldB.in order toC.as toD.to

【C8】A．ifB．whenC．whileD．as

A．toB．thatC．as toD．as that

________Sally likes the present is not clear to me.A: IfB: WhetherC: ThatD: What

__________ we shall raise ducks or geese remains to be decided.A. IfB. WhetherC. WhatD

（) it is true remains a question.A、IfB、WhetherC、WhereD、How