-You could have asked Mr．Johnson for help．He is kind-hearted．-I ________ that．A whole day ________．A.forget; wastesB.forgot; was wastedC.forgot; had wastedD.forget; was wasted
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B解析考查时态和语态。根据第一句话的句意：“你本来可以……”说明是以前的事情，所以后面的回答第一个空“忘了”也是指以前的事情，应该用一般过去时；第二空的主语是“一整天”，应用一般过去时的被动语态。故选B项。