题目内容
—The radio says there will be ________ heavy rain tomorrow.
—Oh, really? We’d better take ________ umbrella when we go out.
A./; an B.a; an C.a; a
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题目内容
—The radio says there will be ________ heavy rain tomorrow.
—Oh, really? We’d better take ________ umbrella when we go out.
A./; an B.a; an C.a; a