have sth to do的意思到底是什么?

题目

have sth to do的意思到底是什么?
我查过好像是有什么事要做
但是也看到是 用 sth去做某事
但是have sth 后面跟do 还是to do
我被搞糊涂了
说不清楚`我放两道例题~
1 they had the machine ____ the job.
A.do B.to do C.doing D.done
2 they had their house _____ last night
A buen B.to burn C.buring D.burned
汗一把- -
貌似那个 选A 和 D有点道理~

答案

Have短语构成一般有两种情况（1）have + sth.to do 有些事要做（未做）i.e.I’m sorry.I would like to attend your party,but I have something needed to finish.很抱歉!尽管我很想去参加你的派对,但是我还有一些...