a question about "UP"which of the phrase below has the meaning of "has responsibility of"be up to somebodyadd up totake updress up

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a question about "UP"
which of the phrase below has the meaning of "has responsibility of"
be up to somebody
add up to
take up
dress up

take up

be up to somebody=has responsibility of到某人做某事的时候了,由某人负责
take up占有
dress up乔装打扮
add up to增加到

当然是be up to somebody. 举个例子,It's up to you.由你决定,看你的了。就是含有"has responsibility of"的味道。

选take up
add up to 增加到
be up to由某人决定
dress up 打扮