(年安徽省合肥市高三第三次教学质量检测)31. What the whole nation cares about most at present is ______ the rescue teams could find the missing plane.
A.that | B.if | C.why | D.whether |
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(年安徽省合肥市高三第三次教学质量检测)31. What the whole nation cares about most at present is ______ the rescue teams could find the missing plane.
A.that | B.if | C.why | D.whether |
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