Our teacher told us that the earth from west to east．A.turnsB.turnC.has turnedD.
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Our teacher told us that the earth ________ from west to east．
A.turns
B.turn
C.has turned
D.will turn
试题答案
A
尽管该题主句为一般过去时，但宾语从句为客观真理，只能使用一般现在时。