高中英语单选2道—Could you have the work which needs skills and pati

高中英语单选2道
—Could you have the work which needs skills and patience ___ by the end of this week?
—No,I can't .Only one-third of it has been done up to now.
A. finished B. finishing C. to be finished D.finish
此题追问：have sth done 和 have sth to be done的区别（别上网找了,网上的比较混乱也看不懂,请大神表达自己的看法）
Since there is nothing to do for us, we ___ go to the movie theatre for Fast &Furious 6 as well.
A.can B. would C.may D.should
求解答,结果不重要,思路（原因）重要