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Three-fourths of the surface of the earth _____ sea.
A: is
B: have been
C: are
D: was
参考答案
更多 “ Three-fourths of the surface of the earth _____ sea. A: isB: have beenC: areD: was ” 相关考题
考题
Application of the transformational rules yields__________ structure.
A.lexicon
B.deep
C.mexical
D.surface
考题
是Surface的抽象接口,操纵surface的控制器。
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