--Hi,Vera,haveyoucheckedtheaccountyet?--Certainly,I_______itfivetimese

发布时间：2020-08-04 23:00:40

--Hi, Vera, have you checked the account yet?--Certainly, I _______ it five times even though you told me to do it twice.A.checkedB.will have checkedC.have been checkingD.had checked

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A解析“检查”这一动作发生在过去，且发生在从句动作told之后，因而用一般过去时。
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