—Well,hereIamatlast.—Good,I________worried________youcouldn'tbebac

发布时间：2020-08-06 20:57:50

—Well, here I am at last.—Good, I ________ worried ________ you couldn't be back on time.A.got; about thatB.was; thatC.am; whetherD.am; why

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B解析be worried that，过去担心，现在不担心了．
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