my sister doesn't know her_____,because she_____herself before.weight;hasn't weighed为什么

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/15 13:55:27
mysisterdoesn''tknowher_____,becauseshe_____herselfbefore.weight;hasn''tweighed为什么mysisterdoesn''tknowh

my sister doesn't know her_____,because she_____herself before.weight;hasn't weighed为什么
my sister doesn't know her_____,because she_____herself before.
weight;hasn't weighed
为什么

my sister doesn't know her_____,because she_____herself before.weight;hasn't weighed为什么
weigh是有动词称体重的意思,weight是名词体重,前面说我的妹妹不知道她的体重,后半句说因为她没有称过自己的体重,是指到现在为止还没称过,所以要用现在完成时,hasn't weighed

前一个是名词用法:“体重”的意思,第二个用作动词:“称体重”的意思