【C19】______A．whichB．whenC．thatD．where

_____ the boss said at the meeting disappointed everyone.A、WhichB、WhenC、WhatD、That

There were dirty marks on her trousers ______ she had wiped her hands.A．whereB．whenC．thatD

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

__________ 查看材料A.HowB.WhenC.WhereD.Why

Air is to men______water is to fish.A．whatB．whenC．thatD．which

Tom told his father______ had happened.A．all whichB．thatC．all thatD．all what