3、活,不易掌握,在做此类题时,首先要研读题先找出信息词,理顺句意,再做判断。【答案】to→at.laughatsb“嘲笑某人”,固定搭配。2.(NMET20典型例题Sometimes,wetalkedtoeachotherverywellinclass.答案:talked→talk根据短文内容可判断出要用一般现在时。3.(NMET20典型例题uthisparentsthinkgotocollegeismoreimportantthanplayingsports.答案:go→going.此处应用动名词短语going to colledg