10. The air traffic controller informs the pilot how far ________ from the touchdown point.
(A) the plane
(B) plane is
(C) is the plane
(D) the plane is
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統計: A(52), B(20), C(107), D(383), E(0) #1027095
統計: A(52), B(20), C(107), D(383), E(0) #1027095