be up to do be up to doing be up to sb to do sth it is up to

来源：学生作业帮编辑：拍题作业网作业帮分类：英语作业时间：2024/04/25 23:31:44

be up to do be up to doing be up to sb to do sth it is up to you 他们之间有何区别?
哪be up to doing
be up to do 有忙于做某事的意思么

（1）没有be up to do这种说法.
（2）be up to doing sth.（体力或智力上）能胜任：I'm not up to going to work today.今天我不能去上班.（可能是身体不舒服.）
（3）be up to sth.（体力或智力上）能胜任：He is not up to the job.他无法胜任这项工作.
（4）be up to sb 是……的职责（或责任）,由……决定.
（5）It is up to you是上面这个短语的具体化,意思是“是你的职责（或责任）”,“由你决定”.
（6）It is up to sb to do sth.是be up to sb的扩展,意思是“做某事是……的职责（或责任）”,“要不要做某事由某人决定”.

be up to do be up to doing be up to sb to do sth it is up to 是be up to sb to do还是doing? be up to do 还是 be up doing 哪个对 be up to do something 请问,It is up to sb.to do sth. be up to sb’s call up sb doing sth还是to do sth? to be grow up is to be it's up to sb.to do sth. give up to do sth or give up doing sth? be booked up to be up to 94%