题目内容
—Simon has gone abroad to have ____________ European tour.
—Oh, really? It must be ____________ unusual trip for him.
A.an; a B.a; an C.a; a D.an; an
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题目内容
—Simon has gone abroad to have ____________ European tour.
—Oh, really? It must be ____________ unusual trip for him.
A.an; a B.a; an C.a; a D.an; an