ican'tgoswimmingwithyou-Ihave____homeworkandotherthingstodealwithtoday
AmassesofBagreatnumberofCagreatdealofDagreatmany
请说明理由
and连接两个并列短语时谓语动词不是要用复数吗,那应该选择可修饰可数名词的词啊
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