题目内容
Engines are to machines _____hearts are to animals.
A. as B. that C. what D. which
C
句意为发动机之于机器就如同心脏之于动物。A is to B what C is to D. 为固定句型。
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题目内容
Engines are to machines _____hearts are to animals.
A. as B. that C. what D. which
C
句意为发动机之于机器就如同心脏之于动物。A is to B what C is to D. 为固定句型。