【C12】A．whetherB．whenC．unlessD．or

【C16】A．whetherB．whenC．whereD．why

【C12】A．whetherB．thatC．whichD．why

A．becauseB．althoughC．unlessD．so

_____she comes or not makes no difference.A、WhetherB、ThatC、What

A．WhetherB．WhenC．IfD．Although

I doubt____________he will lend you the book.A.whetherB.whenC.thatD.which