A. which B. that C. what D. whatever 选C。A is to+ B What C is to D意为“A与B的关系就等于C与D的关系”。又如:Air is to man what water is to fish.空气之于人犹如水之于鱼。 7. They arrived at the farmhouse, in front of which A. is sitting a boy B. sat ...
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