填写介词，准确点！

来源：百度知道 编辑：UC知道 时间：2024/05/16 15:42:00
we have lived in Beijing __________twenty years.
the cat is ill, please send_________a doctor.
david is busy _____________his homework.
i can't tell li _____________his twin brother.
请认真填写，这份东西是要上交的！谢
多谢几位帮助，但我妈说填about,我也不知道该选哪个了，这个问题正在投票中，请几位等候......

for (表示一段时间用）
for(send for派人去请……）
with (be busy with sth 忙于做某事）
from ( tell ...from 区别……）

for
for
with
from

we have lived in Beijing ( for )twenty years.
the cat is ill, please send( for ) a doctor.
david is busy ( with )his homework.
i can't tell li( from )his twin brother

We have lived in Beijing ____for______twenty years.
The cat is ill, please send_____for____a doctor.
David is busy ______with_______his homework.
I can't tell it _____to________his twin brother.
交给奥巴马也不怕！嘻嘻！