The reporter didn’t go to bed until he finished the article.A. writingB. writeC. to write

问题补充：

The reporter didn’t go to bed until he finished the article.

A. writing

B. write

C. to write

D. wrote

答案：

(答案→)A. writing

B. write

C. to write

D. wrote

解析：考查点：固定搭配，“finish+doing sth”