问题
选择题
He looks so weak and pale ________ suffering from a serious illness.
A．as if
B．as long as
C．now that
D．even if
答案
答案：A
词义辨析。as if仿佛，好像；as long as只要；now that由于，既然；even if
即使，甚至；句意：他看起来如此的虚弱，苍白仿佛才从一场大病中恢复过来。选A。