简单说下原因

题目

简单说下原因
6,the_____of building the Great Theater ____ only one year A,job,spent B,work,spend C,position,took D,works,took 8,students should be encouraged to finish their homework _____.A,of themselves B,of their own C,for their own D,on their own 9,his letter was so confusing that I could hardly make any _____ of.A,explation B,meaning C,sense D,guess

答案

6、A.选项B谓语动词,应该用spends;选项C和D,用took,但必须是It作形式主义,即：It takes sb.some time/money to do sth;
8、D on one's own=by oneself
9.C make sense of明白,理解