用适当的介词填空:My sister is interested ___ music.Sally tired to give___ smoking.Please finish it ___ once.I receive a letter ___ my sister.

问题描述:

用适当的介词填空:My sister is interested ___ music.Sally tired to give___ smoking.
Please finish it ___ once.
I receive a letter ___ my sister.

in,be interested in意思是对.....感兴趣
up,give up意思是放弃
at,at once意思是立刻
from,意思是从.....

in;up;at;from

be interested in
give up
at once
from my sister

in,up,at,from

in:out:at:from